2 Flute End Mill

A 2 flute end mill is the basic tool for efficient slotting, profiling and plunging on CNC machines and conventional mills. With two flutes and large chip space, it offers smooth chip evacuation and reliable cutting performance, especially in softer or gummy materials and aluminum alloys.
HNCarbide supplies a full range of 2 flute end mill for aluminum and general-purpose carbide tools, designed for stable performance in steel, stainless steel and non-ferrous metals. From 1/8 2 flute end mill cutters for fine details to 1/4 2 flute end mill choices for common slots and pockets, our program covers popular inch and metric sizes to match your CAM libraries, drawings and existing tool lists.
We can deliver complete 2 flute end mill assortments for job shops and production lines, and our engineers are ready to help you choose between a 2 flute end mill and multi-flute options based on rigidity, finish and cycle time targets. HNCarbide also supports you with recommended 2 flute end mill feeds and speeds, plus special designs with custom shanks, radii or coatings tailored to your machine and application.

Our 2 Flute End Mill Product Range

Simplify Complex Contours!
Leveraging advanced CNC grinding technology and strict ISO-compliant quality control, we ensure stable cutting performance, long tool life, and consistent batch-to-batch accuracy.

2 Flute End Mill Product Details

55 HRC ball 2 Flute End Mill

55 HRC ball 2 Flute End Mill

A 55 HRC ball 2 flute end mill is designed for reliable 3D contouring, profiling and finishing in steels up to 55 HRC. The ball nose geometry and two-flute design provide a smooth cutting action with efficient chip evacuation, making it suitable for mold cavities, dies, electrodes and complex 3D surfaces where accuracy and surface finish are critical.

HNCarbide offers solid carbide ball 2 flute end mill tools optimized for alloy steel, pre-hardened mold steel and stainless steel in this hardness range. A reinforced core, precision-ground ball radius and stable shank design help reduce vibration and extend tool life on modern CNC machining centers and high-speed mills.

Standard programs cover popular inch and metric sizes, from small diameters for fine detail work to larger tools for semi-finishing. We can supply matched assortments instead of a single 2 flute end mill set, and our team is ready to recommend suitable 2 flute end mill feeds and speeds or engineer special radii, neck reliefs and coatings to fit your specific setup and production requirements.

Order Number:
HN55-B2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
TiSiNTi (titanium): main element, forms TiN nanocrystalline phase. Si (silicon): usually 6–10%, forms amorphous Si₃N₄ phase, refines grains and increases hardness. N (nitrogen): combines with Ti and Si to form a composite structure.Colour: TiSiN coatings usually appear bronze or dark grey-bronze; exact colour depends on Si content, deposition process (such as PVD) and thickness (1–4 μm). Hardness: 34–42 GPa (≈3400–4200 HV). Friction coefficient: 0.3–0.6 (against steel). Temperature resistance: 1000–1200°C (oxidation resistance). Coating thickness: 1–5 μm (typically 2–3 μm). Deposition temperature: 200–400°C (suitable for carbide tools).Ultra-high hardness: amorphous Si₃N₄ phase suppresses dislocation movement, giving much higher hardness than TiN (~23 GPa) and TiAlN (~35 GPa). High-temperature stability: suitable for dry cutting and high-speed machining (e.g. quenched steels HRC 60+). Anti-adhesion: reduces built-up edge when machining aluminium alloys, stainless steels and other sticky materials.Tool coatings: drills, mills (especially suitable for PCB routers, tool life increased by 2–3 times). High-speed cutting of quenched steels, titanium alloys and high-nickel alloys. Mould strengthening: die-casting moulds and stamping dies, improving wear resistance. Industrial parts: piston rings and other high-temperature wear parts.
2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

HN55-B4-060L
HN55-B4-060L
HN65-B4-060L
HN65-B4-060L
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

HM series ball 2 Flute End Mill

HM series ball 2 flute end mill is designed for high-precision 3D contouring and finishing in hardened steels and mold materials. The ball nose profile and two-flute geometry provide smooth cutting action and reliable chip evacuation, helping to achieve fine surface finishes on complex cavities, dies and profiles.

Made from premium solid carbide with a reinforced core, HM series ball 2 flute end mill tools deliver stable performance in materials up to around 55–60 HRC, even under high-speed machining conditions. Optimized flute shape and edge preparation reduce chipping and vibration, extending tool life and maintaining dimensional accuracy.

The HM series is available in a wide range of diameters and neck lengths to suit deep cavities and fine-detail work. Coating options and custom radius or shank designs can be tailored to your specific machine, holder and application requirements.

Order Number:
HM-B2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN55 is made from ultrafine close to nanometer sized WC powder, with very high wear resistancet’s suitable for making miling、 drilling tools and reamers, for high-speed miling of materials with highhardness.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN5590.314.5093.81,9603,8008.0
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
AlCrSiNAluminium–chromium–silicon nitride coating containing SiHardness: not clearly specified, but the presence of Si significantly increases hardness and toughness (estimated HV>3500).Si forms a denser nanostructure, improving wear resistance and high-temperature stability.Specially designed for drills, end mills and ball-nose mills and other shank-type tools. Suitable for machining high-hardness materials (such as quenched workpieces) and materials after heat treatment.
2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

HN55-B4-060L
HN55-B4-060L
HN65-B4-060L
HN65-B4-060L
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

GM series ball 2 Flute End Mill

GM series ball 2 flute end mill is a general-purpose solution for 3D contouring, profiling and finishing in steel, stainless steel and non-ferrous materials. The ball nose geometry combined with two flutes offers smooth chip flow and stable cutting, making it especially effective as a 2 flute end mill for aluminum and other gummy materials.

Manufactured from high-quality solid carbide, GM series ball 2 flute end mill tools feature an optimized flute shape and rigid core to reduce vibration and improve surface finish on modern CNC machining centers. They are available in common inch and metric sizes, covering small diameters for detail work and larger tools for semi-finishing. Coating choices and custom modifications such as special necks or shanks can be provided to match your specific setup, holder system and production requirements.

Order Number:
GM-B2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
ALCRNAl: 18–32% Cr: 10–25% N: 45–57%Hardness: 2800–3200 HV (≈30–32 GPa) Thickness: 1–5 μm (typically 3–4 μm in applications) Oxidation temperature: 1000–1100°C (short-term up to 1100°C) Deposition temperature: <500°C (suitable for HSS and carbide substrates)Red hardness: maintains hardness even at 1100°C, better than TiAlN (whose hardness drops above about 900°C). Adhesion: critical load up to 40 N (with optimized process). Wear resistance: suitable for high-speed cutting and dry machining, especially effective on stainless steels and alloy steels.Cutting tools: end mills, gear cutters, drills (e.g. Balinit Alcorna series). Moulds: aluminium die-casting moulds, stamping tools. Industrial parts: piston rings, high-temperature wear-resistant parts (combined with suitable interlayer design).
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

HN55-B4-060L
HN55-B4-060L
HN65-B4-060L
HN65-B4-060L

65HRC Blue Nano Coated Ball 2 Flute End Mill

65HRC Blue Nano Coated Ball 2 flute end mill is engineered for hard milling applications in steels up to 65 HRC, such as mold steel, tool steel and hardened components. The ball nose geometry and two-flute design provide smooth cutting action and reliable chip evacuation when 3D contouring, profiling and finishing complex surfaces.

The Blue Nano coating delivers excellent heat resistance and wear protection at high speeds, helping this 2 flute end mill maintain sharp edges, stable dimensions and a consistent surface finish even in dry or semi-dry cutting. A reinforced carbide core and optimized flute shape reduce vibration, making it suitable for high-precision work on modern CNC machining centers.

Standard sizes cover fine-detail machining as well as larger semi-finishing operations, and customized neck relief, radius and shank designs can be offered to match your specific mold, cavity depth and holder setup.

Order Number:
HN65-B2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN44F is made from submicron WC powder, some special additives added.

It’s suitable for making drills and end mills, especially for machining steel,Al-based alloys and Ti-basedalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN44F120.414.1592.61,7204,2009.6
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
CrAlTiSiNCr: 12–16% Al: 20–24% Ti: 4–8% Si: 6–10% N: 48–52%Ultra-high hardness: hardness can reach 38–40 GPa (e.g. CrAlSiN/TiAlSiN modulated coatings), much higher than traditional TiN or CrN. Si forms amorphous Si₃N₄, which suppresses dislocation movement and improves wear resistance. Excellent high-temperature performance: oxidation temperature up to 1000–1100°C, suitable for high-speed dry cutting. At high temperature, a dense Al₂O₃ and Cr₂O₃ oxide layer forms on the surface, slowing further oxidation. Low friction coefficient: about 0.375–0.675, depending on modulation period and Si content. Strong adhesion: with transition-layer design (such as AlCrTi alloy layer), critical load can exceed 18 N (scratch test).High-speed cutting tools: such as mills and drills, suitable for hardened steels, titanium alloys and other difficult-to-machine materials. Mould surface reinforcement: improves wear resistance and thermal-fatigue resistance of stamping dies. Aerospace components: such as turbine-blade coatings, resisting high-temperature oxidation and particle erosion.
2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

HN55-B4-060L
HN55-B4-060L
HN65-B4-060L
HN65-B4-060L
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

55HRC Steel 2 Flute End Mill Flat

55HRC Steel 2 flute end mill flat is designed for roughing and finishing steels up to 55 HRC, including alloy steel, pre-hardened mold steel and general structural steel. The flat end geometry with two flutes provides strong cutting edges and efficient chip evacuation, making it suitable for slotting, side milling and shoulder milling on CNC machining centers and conventional mills.

Manufactured from solid carbide with a reinforced core, this 2 flute end mill delivers stable performance, good dimensional accuracy and reliable tool life under both wet and high-speed machining conditions. Standard sizes cover common diameters for general machining, and customized shank, length or corner preparation (chamfer or small radius) can be supplied to match your fixtures, programs and production requirements.

Order Number:
HN55-S2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
TiSiNTi (titanium): main element, forms TiN nanocrystalline phase. Si (silicon): usually 6–10%, forms amorphous Si₃N₄ phase, refines grains and increases hardness. N (nitrogen): combines with Ti and Si to form a composite structure.Colour: TiSiN coatings usually appear bronze or dark grey-bronze; exact colour depends on Si content, deposition process (such as PVD) and thickness (1–4 μm). Hardness: 34–42 GPa (≈3400–4200 HV). Friction coefficient: 0.3–0.6 (against steel). Temperature resistance: 1000–1200°C (oxidation resistance). Coating thickness: 1–5 μm (typically 2–3 μm). Deposition temperature: 200–400°C (suitable for carbide tools).Ultra-high hardness: amorphous Si₃N₄ phase suppresses dislocation movement, giving much higher hardness than TiN (~23 GPa) and TiAlN (~35 GPa). High-temperature stability: suitable for dry cutting and high-speed machining (e.g. quenched steels HRC 60+). Anti-adhesion: reduces built-up edge when machining aluminium alloys, stainless steels and other sticky materials.Tool coatings: drills, mills (especially suitable for PCB routers, tool life increased by 2–3 times). High-speed cutting of quenched steels, titanium alloys and high-nickel alloys. Mould strengthening: die-casting moulds and stamping dies, improving wear resistance. Industrial parts: piston rings and other high-temperature wear parts.
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

55HRC ball Micro 2 Flute End Mill

55HRC ball micro 2 flute end mill is designed for ultra-fine 3D contouring and detail machining in steels up to 55 HRC, such as pre-hardened mold steel and tool steel inserts. The micro ball nose geometry with two flutes provides smooth cutting and reliable chip evacuation at very small diameters, ideal for engraving, fine ribs, sharp corners and small cavities.

Made from high-quality solid carbide with a reinforced core, this micro 2 flute end mill offers excellent rigidity, stable dimensional accuracy and a clean surface finish on high-speed CNC machining centers. Standard micro sizes and extended neck options are available, and custom radii or shank designs can be supplied to match your specific mold geometry and tool holding setup.

Order Number:
HN55-LNB2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
TiSiNTi (titanium): main element, forms TiN nanocrystalline phase. Si (silicon): usually 6–10%, forms amorphous Si₃N₄ phase, refines grains and increases hardness. N (nitrogen): combines with Ti and Si to form a composite structure.Colour: TiSiN coatings usually appear bronze or dark grey-bronze; exact colour depends on Si content, deposition process (such as PVD) and thickness (1–4 μm). Hardness: 34–42 GPa (≈3400–4200 HV). Friction coefficient: 0.3–0.6 (against steel). Temperature resistance: 1000–1200°C (oxidation resistance). Coating thickness: 1–5 μm (typically 2–3 μm). Deposition temperature: 200–400°C (suitable for carbide tools).Ultra-high hardness: amorphous Si₃N₄ phase suppresses dislocation movement, giving much higher hardness than TiN (~23 GPa) and TiAlN (~35 GPa). High-temperature stability: suitable for dry cutting and high-speed machining (e.g. quenched steels HRC 60+). Anti-adhesion: reduces built-up edge when machining aluminium alloys, stainless steels and other sticky materials.Tool coatings: drills, mills (especially suitable for PCB routers, tool life increased by 2–3 times). High-speed cutting of quenched steels, titanium alloys and high-nickel alloys. Mould strengthening: die-casting moulds and stamping dies, improving wear resistance. Industrial parts: piston rings and other high-temperature wear parts.
2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

long reach end mills-Ball-HNCarbide
long reach end mills-Ball-HNCarbide
long reach end mills-Square-HNCarbide
long reach end mills-Square-HNCarbide
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

65HRC micro ball long reach 2 Flute End Mill

65HRC micro ball long reach 2 flute end mill is built for precision hard milling in steels up to 65 HRC, especially in deep and narrow cavities. The micro ball nose profile and two-flute design provide smooth cutting and reliable chip evacuation at very small diameters, making it ideal for fine ribs, sharp details and complex 3D surfaces in molds and dies.

With a long reach neck and high-rigidity carbide substrate, this 2 flute end mill maintains accuracy and surface quality even under high-speed, high-hardness conditions. Extended neck lengths, special radii and customized shanks can be tailored to your specific cavity depth, holder system and mold geometry.

Order Number:
HN65-MLNB2
In-stock products, fast delivery.
RODS & PREFORMS

Grade HN44F is made from submicron WC powder, some special additives added.

It’s suitable for making drills and end mills, especially for machining steel,Al-based alloys and Ti-basedalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN44F120.414.1592.61,7204,2009.6
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
Nano-BlueBlue surface layer: may contain AlCrN (aluminium-chromium nitride) or TiSiN (titanium–silicon nitride); the blue colour comes from nano-structured interference. Nanomultilayer structure: alternating layers such as TiN/AlN (individual layer thickness <50 nm) to increase hardness and thermal stability.Hardness: 3000–4000 HV (nano-indentation). Friction coefficient: 0.1–0.3 (lower when combined with DLC). Heat resistance: stable up to 1000°C (oxidation starts above 800°C). Adhesion strength: ≥70 N (critical load in scratch test). Surface roughness: Ra <0.05 μm (after polishing).Blue appearance: achieved by nano-optical thin-film design, and can serve as wear indicator (colour change shows coating loss). Self-lubricating: some Si- or WC-containing nanocoatings can form a silica-based lubricating layer at high temperature.Recommended workpiece materials High-hardness steels (HRC>50, such as mould steel, bearing steel). High-temperature alloys (nickel-based / titanium alloys, relying on coating heat resistance). Non-ferrous metals (aluminium and copper alloys, requiring low-friction coating to prevent built-up edge). Composites (CFRP, avoiding adverse reactions between coating and fibres). Typical application fields Aerospace: machining turbine-blade dovetails, milling titanium-alloy structural parts. Automotive moulds: high-precision cavity milling, balancing efficiency and surface quality. Medical devices: micro-machining of cobalt-chromium artificial joints.
2 Flute End Mill Dimensions & Technical Drawings

Our 2 Flute End Mill drawings clearly show key 2 Flute End Mill dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 2 Flute End Mill sizes for your CNC setup and machining depth before ordering.

long reach end mills-Ball-HNCarbide
long reach end mills-Ball-HNCarbide
long reach end mills-Square-HNCarbide
long reach end mills-Square-HNCarbide
FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

expert advice for drilling holes in aerospace components

Versatile Applications of HNCarbide 2 Flute End Mills

HNCarbide 2 flute end mill tools are widely used in automotive, mold and die, aerospace and general machining workshops. The large flute space and sharp cutting edges make them ideal for slotting, pocketing and plunging in aluminum, stainless steel and alloy steel.
For non-ferrous materials, our dedicated 2 flute end mill for aluminum range delivers fast chip evacuation and clean sidewalls in profiles and pockets. Popular inch sizes such as 1/8 2 flute end mill and 1/4 2 flute end mill are matched to common programs and drawings, so you can standardize tools across different machines while keeping a consistent tool family for daily production.

High Chip Control and Surface Quality: Features of HNCarbide 2 Flute End Mills

Each HNCarbide 2 flute end mill is manufactured from fine-grain solid carbide and finished on advanced CNC grinding centers to ensure accurate geometry and smooth cutting edges. Optimized flute design and rigid cores provide stable cutting, reliable chip evacuation and improved surface finish, even at higher cutting speeds.
Compared with multi-flute tools in the 2 flute end mill vs 4 flute choice, our designs focus on better chip flow in deeper cuts and slots, helping reduce heat and tool wear. Recommended 2 flute end mill feeds and speeds are available for steel, stainless steel and aluminum to help you quickly dial in stable, productive cutting conditions on your machines.

Advantages That set Us Apart

We Are Commited To Providing High-Quality, Customized solutions At An Affordable price While Also Prioritizing sustainability And ExcellentCustomer Service, These Qualities Make Us A Great choice For Your 2 Flute End Mill Needs

HIP sintering Carbide Rods

We Only Use unground tungsten carbide rods with HlP sintering and100% virgin material. Our grade includes lsO K05 to K40, frommachining carbon steel to aluminium, non-ferrous metals andtitanium or we develop grade for your applications.

High-Precision Five-Axis CNC Grinder

As a HNCarbide customer, you can enjoy five-axis high-precisiongrinding machines from Australia’s ANCA or Germany’s Walter. Themodern workshop with constant temperature and humidity ensuresthe accuracy of each 2 Flute End Mill.

Upgrade Passivation Service

Each of your tungsten 2 Flute End Mill will be sandblasted to effectively remove burrs and improve the finish.

Full Branch Inspection

All HNCarbide’s 2 Flute End Mill will be monitored on WALTER HELICHEEK andZOLLER GENlUS 3 to ensure that every dimension is qualified. We arecommitted to controlling the tolerance within 3 UM.

Packaging & Shipping

At HNCarbide, every shipment is meticulously packaged to ensure your tools arrive intact.
Each HNCarbide’s 2 Flute End Mill is individually placed in a shock-resistant protective case, labeled with complete specifications, and sealed in moisture-proof packaging material before being boxed.
Large-volume orders are reinforced with double-wall cardboard boxes or wooden crates to maximize safety during international shipping.
We collaborate with reliable logistics partners to ensure goods are delivered quickly and securely to their destination via air freight, sea freight, or express courier.

FAQ

A 2 flute end mill is a milling cutter with two main cutting flutes. The larger flute space allows better chip evacuation, making it ideal for slotting, profiling and plunging, especially in softer or gummy materials. This is the basic 2 flute end mill definition most machinists use.

Use a 2 flute end mill vs 4 flute when chip evacuation is critical, such as slotting or roughing in aluminum and non-ferrous materials. Four-flute tools are often preferred for steels and finishing when there is enough chip space and you want higher feed rates and better rigidity. If you are unsure, start with a 2 flute for open slots and deeper cuts.

HNCarbide offers a wide size range, from micro tools to larger diameters. Common inch sizes include 1/8 2 flute end mill, 1/4 2 flute end mill, 3/8 2 flute end mill and 1 2 2 flute end mill, as well as matching metric diameters. This makes it easy to match your CAM library, drawings and existing tool holders.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

A Complete Guide to 2 Flute End Mills

If you work with CNC machines or precision milling, you will almost certainly use a 2 flute end mill on a daily basis. But what is a 2 flute end mill, and why is it so common in both job shops and production environments? In simple terms, a 2 flute end mill is a cutter with two main cutting edges and two flutes that run along the body of the tool. This basic 2 flute end mill definition explains the geometry, but the real value comes from how that geometry affects chip evacuation, surface finish and tool life.

Because the tool only has two flutes, each flute has more space to carry chips away from the cutting zone. This makes the 2 flute design especially useful for slotting, plunging and roughing operations where chips are thick and difficult to remove. It is also very forgiving on less rigid machines, helping to reduce chatter and vibration compared with some multi-flute cutters.

2 flute end mill vs 4 flute: when to choose which?

One of the most common questions from new machinists is how to choose between a 2 flute end mill vs 4 flute tool. A 2 flute end mill provides excellent chip evacuation thanks to the large flute volume. This is ideal for deep slots, pockets and profiling in materials that produce long, sticky chips, such as aluminum and some stainless steels. The lower number of flutes also means that each tooth carries a higher chip load at the same feed rate, which can help the tool cut more freely and run cooler.

In the 4 flute vs 2 flute end mill choice, four flutes offer more cutting edges and usually a stiffer core. They are often favored for finishing passes in steel, shallow side milling and situations where you need higher feed rates and better rigidity, but chip evacuation is less of a problem. Many shops will rough and slot with 2 flute cutters, then switch to 3 or 4 flute tools for semi-finishing and finishing operations.

2 flute end mill for aluminum and non-ferrous alloys

A classic application for the 2 flute end mill is machining aluminum. A dedicated 2 flute end mill for aluminum normally features sharp cutting edges, high positive rake angles and polished flutes. Many catalogs simply describe these as “2 flute end mill aluminum” so it is easy to identify the correct tool for non-ferrous materials. These details help prevent built-up edge, where material welds to the cutting edge and ruins the surface finish. The generous flute space lets long chips curl and exit the cut quickly, which reduces heat and avoids chip packing in deep pockets.

The same advantages apply when machining other non-ferrous materials, such as copper, brass and some plastics. In these applications, a 2 flute end mill can often outperform multi-flute tools because it keeps the cut open and clean. Coatings designed for aluminum, or even uncoated but very sharp carbide, are common choices to achieve the best balance of tool life and finish.

Common sizes and typical uses

2 flute end mills are available in a wide range of diameters and lengths for both inch and metric programs. At the small end of the scale, a 1/8 2 flute end mill is popular for fine details, engraving and small slots in aluminum and tool steel. A 1/4 2 flute end mill is a true workhorse size for general slotting and pocketing on vertical machining centers. For heavier roughing or deeper cuts, many machinists rely on a 3 8 2 flute end mill or even a 1 2 2 flute end mill where machine power and rigidity allow.

Shops that frequently change setups or run many different parts often prefer to keep a 2 flute end mill set on hand. A well-chosen set can cover the most common diameters required for prototypes, fixtures and small batch production, reducing tool changes and simplifying CAM programming.

Getting feeds and speeds right

No matter how good the geometry, a 2 flute cutter will only perform at its best when run with appropriate cutting data. That is why understanding 2 flute end mill feeds and speeds is so important. The correct parameters depend on several factors: workpiece material, tool diameter, flute length, coating, coolant conditions and machine rigidity.

As a starting point, use the recommendations from your tool supplier. These usually give a safe range for surface speed and feed per tooth. From there, you can fine-tune the numbers on the machine. If chips are coming off blue or the tool feels too hot, reduce cutting speed or chip load slightly. If the tool is rubbing and leaving a poor surface finish, increase feed per tooth until the chips are well-formed and bright.

For hard milling, it is especially important to combine the right feeds and speeds with a stable setup and minimal tool overhang. Ball nose and micro 2 flute cutters used in hardened steels demand rigid fixturing and smooth toolpaths to achieve the desired accuracy and surface quality.

Matching 2 flute end mills to your application

Choosing the right 2 flute end mill is not only about flute count; it is also about matching the tool style to the job. Flat end mills are best for shoulders, pockets and general roughing. Ball nose designs are used for 3D contouring, molds and dies, and complex surface blending. Micro and long-reach versions allow access into narrow ribs and deep cavities. Each variation still relies on the basic advantages of the 2 flute layout, but optimizes the geometry for a specific type of cut.

When selecting tools for your shop, think about the materials you machine most often and the type of work you do. If you run mainly aluminum and non-ferrous alloys, prioritize sharp, polished 2 flute end mills with strong chip evacuation. If your focus is hard steel and mold work, look for coated carbide, specialized ball nose designs and micro tools rated for the appropriate hardness range.

Why partner with HNCarbide for 2 flute end mills?

HNCarbide develops 2 flute end mill solutions with real-world machining in mind. Our product range covers everything from general-purpose tools for everyday steel and aluminum work to advanced designs for hard milling up to 65 HRC. Fine-grain carbide substrates, precise grinding and application-matched coatings help our tools deliver stable performance, predictable wear and consistent part quality.

Whether you need a single special tool or a complete program of flat, ball and micro 2 flute end mills, our engineers can support you with tool selection, feeds and speeds and custom geometries. By choosing the right 2 flute end mill for each operation, you can improve chip control, reduce cycle time and extend tool life across your CNC machines.

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Before you go, please note that we offer the most up-to-date industry research reports and the most comprehensive product catalogs, so please contact us if you are interested!

Contact us