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This end mill set is designed for stable and efficient CNC milling in a wide range of materials, including steel, stainless steel, aluminum, and non-ferrous alloys. Each carbide end mill set is produced from fine-grain solid carbide and precision-ground to ensure sharp cutting edges, controlled runout, and consistent dimensional accuracy across the entire set.
The end mill cutter set includes commonly used tool types such as flat end mills and ball nose cutters, with optional 2 flute and 4 flute designs to balance chip evacuation, surface finish, and tool life. Suitable for both roughing and finishing operations, this CNC end mill set is available in metric and inch sizes, with standard shank options including 1/4 shank and 1/8 shank. Coating options and custom tool combinations are available on request, making this end mill set for aluminum and steel a practical choice for production machining, job shops, and CNC starter applications.
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.
| Grade | Cobalt content % | Grain size | Density g/cm³ | Hardness HRA | Hardness HV30 | MPa Transverse rupture strength | MPa ·m1/2 Fracture toughness MPa ·m1/2 |
|---|---|---|---|---|---|---|---|
| HN40 | 10 | 0.8 | 14.45 | 91.8 | 1,580 | 3,600 | 11.8 |
| Scientific name | Composition | Physical properties | Features | Typical applications |
|---|---|---|---|---|
| TiSiN | Ti (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. |
An end mill set is a collection of end mills with different diameters, flute counts, and cutter geometries designed to cover multiple CNC milling operations. A typical end mill cutter set can be used for profiling, slotting, pocketing, contouring, roughing, and finishing across various materials. Using an end mill set helps reduce tool change downtime and ensures consistent machining results.
Buying a complete end mill set provides better coverage for common machining tasks and ensures compatible tool quality across sizes and types. Compared with individual tools, a carbide end mill set offers better cost efficiency, standardized geometry, and consistent performance, especially for CNC shops, production lines, and starter setups.
To choose the right carbide end mill set, consider the following factors:
Workpiece material (steel, stainless steel, aluminum, etc.)
Flute count (2 flute for aluminum, 4 flute for steel)
Hardness range (e.g. HRC55 for general-purpose steel)
Machine rigidity and spindle speed
Shank size (1/4 shank, 1/8 shank, or metric)
Matching the end mill set to your machining conditions ensures better tool life and surface finish.
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.
Regional or customer protection based on sales targets, avoiding price wars among our partners.
Catalogs, brochures, product photos, technical data sheets, online materials.
For key partners, joint promotion, exhibitions and digital marketing support.
Safety stock for fast-moving items and forecast-based production.
Priority production and regular shipments to reduce stock-out risk.
Clear quality warranty policy, quick response to claims.
Replacement, credit or other solutions after confirmation of issues.
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.
HNCarbide end mill set solutions are developed for a wide range of CNC milling applications in automotive, mold & die, aerospace, and general machining industries. Each carbide end mill set is suitable for machining steel, stainless steel, aluminum, cast iron, and selected titanium alloys, delivering stable cutting performance under both light and demanding cutting conditions.
From precision profiling, pocket milling, and slotting to contouring and finishing operations, this CNC end mill set supports flexible machining strategies on vertical machining centers and CNC routers. Optimized flute geometry, balanced core design, and reliable chip evacuation allow the end mill cutter set to maintain consistent surface quality and dimensional accuracy across different materials, machines, and production batches.
Each HNCarbide end mill set is manufactured from premium fine-grain solid carbide and ground on advanced multi-axis CNC grinding machines to ensure sharp cutting edges, precise geometry, and stable tool performance. Strict control of edge preparation, flute form, and runout helps reduce vibration, improve surface finish, and extend tool life during both roughing and finishing processes.
The end mill set carbide range includes commonly used tool configurations such as 2 flute and 4 flute designs, flat and ball nose profiles, and standard shank options in both metric and inch sizes. Combined with consistent coating quality and tight dimensional tolerances, every end mill set delivers repeatable machining results, making it a reliable choice for production machining, job shops, and CNC starter applications.
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 End Mill Set Needs
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.
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 End Mill Set.
Each of your tungsten steel End Mill Set will be sandblasted toeffectively remove burrs and improve the finish.
All HNCarbide’s End Mill Set will be monitored on WALTER HELICHEEK and ZOLLER GENlUS 3 to ensure that every dimension is qualified. We arecommitted to controlling the tolerance within 3 UM.
At HNCarbide, every shipment is meticulously packaged to ensure your tools arrive intact.
Each HNCarbide End Mill Set 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.
An end mill set is a collection of end mills with different diameters, flute counts, and cutter geometries designed to cover multiple CNC milling operations. A typical end mill cutter set can be used for profiling, slotting, pocketing, contouring, roughing, and finishing across various materials. Using an end mill set helps reduce tool change downtime and ensures consistent machining results.
Buying a complete end mill set provides better coverage for common machining tasks and ensures compatible tool quality across sizes and types. Compared with individual tools, a carbide end mill set offers better cost efficiency, standardized geometry, and consistent performance, especially for CNC shops, production lines, and starter setups.
To choose the right carbide end mill set, consider the following factors:
Workpiece material (steel, stainless steel, aluminum, etc.)
Flute count (2 flute for aluminum, 4 flute for steel)
Hardness range (e.g. HRC55 for general-purpose steel)
Machine rigidity and spindle speed
Shank size (1/4 shank, 1/8 shank, or metric)
Matching the end mill set to your machining conditions ensures better tool life and surface finish.
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.
Regional or customer protection based on sales targets, avoiding price wars among our partners.
Catalogs, brochures, product photos, technical data sheets, online materials.
For key partners, joint promotion, exhibitions and digital marketing support.
Safety stock for fast-moving items and forecast-based production.
Priority production and regular shipments to reduce stock-out risk.
Clear quality warranty policy, quick response to claims.
Replacement, credit or other solutions after confirmation of issues.
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.
In CNC machining, tooling decisions directly affect productivity, surface quality, and overall machining cost. While many shops focus on selecting individual cutters, choosing the right end mill set is often a more efficient and cost-effective solution. A well-designed end mill set provides flexibility, consistency, and coverage for a wide range of milling operations.
This article explains what an end mill set is, why it matters, and how to choose the right carbide end mill set for your CNC machining needs.
An end mill set is a collection of end mills with different diameters, flute counts, and cutter geometries, packaged together to support multiple machining operations. Instead of purchasing single tools one by one, machinists can rely on an end mill cutter set to handle profiling, slotting, pocketing, contouring, roughing, and finishing tasks.
Most modern end mill sets include flat end mills, and some also feature ball nose or corner radius tools. Sets are commonly available in metric or inch sizes and are designed to fit standard CNC tool holders.
Using a complete end mill set offers several advantages:
First, consistency. Tools within the same carbide end mill set share similar geometry standards, cutting behavior, and performance characteristics. This reduces variability during machining and simplifies process optimization.
Second, efficiency. A CNC end mill set minimizes downtime caused by frequent tool changes or missing sizes. Operators always have the right cutter available for the job.
Third, cost control. Compared with buying individual tools, an end mill set usually delivers better overall value, especially for CNC starter applications and small-to-medium production runs.
Different machining tasks require different cutter designs. The most common end mill sets include:
A 2 flute end mill set provides larger chip space and excellent chip evacuation. It is ideal for aluminum, non-ferrous metals, and soft materials, especially at high spindle speeds.
A 4 flute end mill set offers increased rigidity and better surface finish. It is widely used for steel and stainless steel machining, particularly in finishing and semi-finishing operations.
A ball end mill set is designed for 3D contouring, mold machining, and complex surface profiles. Ball nose cutters reduce tool marks and improve surface smoothness on curved features.
An end mill starter set typically includes the most commonly used sizes and geometries, making it ideal for CNC beginners, prototyping, and job shops.
Material type is one of the most important factors when selecting an end mill set.
Steel and Stainless Steel
A carbide end mill set with 4 flute designs and wear-resistant coatings is recommended. An end mill HRC55 set is suitable for general-purpose steel machining.
Aluminum and Non-Ferrous Materials
An end mill set for aluminum usually features 2 flute cutters, polished flutes, and sharp cutting edges to prevent chip welding.
Mixed Materials
For shops machining multiple materials, a general-purpose CNC end mill set with both 2 flute and 4 flute tools provides flexibility.
To select the right carbide end mill set, consider the following factors:
Machine capability – spindle speed, rigidity, and tool holding system
Workpiece material – aluminum, steel, stainless steel, or mixed materials
Flute count and geometry – chip evacuation vs surface finish
Size range and shank standard – metric or inch, 1/4 shank or 1/8 shank
Production volume – prototyping, small batch, or continuous production
Matching the end mill set to your actual machining conditions ensures better tool life, stable cutting performance, and predictable results.
Many carbide end mill sets are available with advanced coatings such as TiAlN or AlTiN. These coatings improve heat resistance, wear resistance, and oxidation stability, especially when machining steel and stainless steel.
For aluminum applications, uncoated or specially polished tools in an end mill set often perform better by reducing built-up edge and improving chip flow.
For most CNC shops, the answer is yes. A high-quality end mill set simplifies tooling management, improves machining consistency, and reduces overall tooling cost. Whether you need a ball end mill set for mold work, an end mill starter set for CNC beginners, or a professional carbide end mill set for production machining, choosing the right set makes a measurable difference in efficiency and performance.
Investing in the right end mill set is not just about convenience—it is about building a reliable and scalable CNC machining process.
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!
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!
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