Skip to content The Internal Coolant 5 8 drill bit with TiXCo3 coating is engineered for high-efficiency drilling in demanding metal applications. Designed with internal coolant channels, this 5 8 drill bit for metal delivers effective heat dissipation directly at the cutting edge, improving chip evacuation and reducing thermal stress during deep-hole drilling.
The advanced TiXCo3 coating provides excellent wear resistance, oxidation stability, and low friction, making this 5 8 drill bit for steel and 5 8 drill bit for hardened steel suitable for continuous and high-speed machining. Precision-ground cutting edges ensure accurate hole size, smooth surface finish, and extended tool life. Available in standard and long lengths, this 5 8 drill bit supports stable, repeatable performance in CNC machining centers and production environments.
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-3D-CD-0150 | 15 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0151 | 15.1 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0152 | 15.2 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0153 | 15.3 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0154 | 15.4 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0155 | 15.5 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0156 | 15.6 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0157 | 15.7 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0158 | 15.8 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0159 | 15.9 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0160 | 16 | 65 | D16 | 115 | HA | HB |
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-5D-CD-0150 | 15 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0151 | 15.1 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0152 | 15.2 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0153 | 15.3 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0154 | 15.4 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0155 | 15.5 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0156 | 15.6 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0157 | 15.7 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0158 | 15.8 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0159 | 15.9 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0160 | 16 | 83 | D16 | 133 | HA | HB |
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 |
|---|---|---|---|---|
| TiXCo3 | Advanced nanocomposite multilayer PVD coating based on Ti, Al, Cr and Si; usually built with a TiN or CrTiN adhesion layer, an AlTi(Si)N core and an extremely hard TiSiN nano-composite top layer. Copper-coloured coating designed specifically for hard-machining tools such as solid carbide drills. | Nano-hardness: 42–44 GPa (≈4300–4500 HV). Coefficient of friction: ~0.4 (PoD test, room temperature, 50 % humidity). Coating thickness: typically 1–4 µm. Maximum service temperature up to about 1,000–1,100 °C, giving excellent thermal stability and oxidation resistance for high-speed drilling in hard materials. | Copper appearance; delivers very high surface quality of the hole and extremely high wear resistance. Our hardest nanocomposite coating, optimized for hard machining and finishing operations in drilling, milling and reaming at very high cutting speeds. Suitable for dry or near-dry machining and for difficult-to-cut, abrasive alloys where long, stable tool life is required. | Recommended workpiece materials: hardened steels (up to ~60–64 HRC), stainless steels, tool steels, nickel-based superalloys, cast irons and other hard or abrasive metals. Typical application fields for drills: high-precision deep-hole and high-speed production drilling of dies and moulds, power-train and transmission components, aerospace turbine and structural parts, and other hard-machining operations demanding tight tolerances and excellent hole finish. |
Our 5 8 drill bit drawings clearly show key 5 8 drill bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 5 8 drill bit sizes for your CNC setup and machining depth before ordering.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which is equivalent to 15.875 mm. This conversion is commonly referenced in a 5 8 drill bit size chart for users working in both imperial and metric machining systems.
A 5 8 drill bit for metal is suitable for drilling steel, stainless steel, aluminum, cast iron, and alloy materials. With proper coating and geometry, a 5 8 drill bit for hardened steel can also perform reliably in high-hardness applications.
Yes, a 5 8 drill bit for wood can be used for woodworking applications, but metalworking drills are optimized for rigidity and heat resistance. For best results, always choose a 5 8 drill bit specifically designed for the material being machined.
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.
The Internal Coolant 5 8 drill bit with ALCRONA coating is developed for high-performance drilling in modern CNC machining. Featuring precision internal coolant channels, this 5 8 drill bit for metal delivers coolant directly to the cutting zone, ensuring efficient heat control, smooth chip evacuation, and stable cutting conditions during deep and continuous drilling.
The ALCRONA coating offers exceptional hardness, thermal resistance, and low friction, making this 5 8 drill bit for steel and 5 8 drill bit for hardened steel ideal for high-speed and high-feed applications. Optimized flute geometry and sharp cutting edges help achieve accurate hole size, improved surface finish, and extended tool life. This 5 8 drill bit is available in multiple lengths and shank options to suit different machining requirements.
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-3D-CD-0150-A | 15 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0151-A | 15.1 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0152-A | 15.2 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0153-A | 15.3 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0154-A | 15.4 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0155-A | 15.5 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0156-A | 15.6 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0157-A | 15.7 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0158-A | 15.8 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0159-A | 15.9 | 65 | D16 | 115 | HA | HB |
| HN-3D-CD-0160-A | 16 | 65 | D16 | 115 | HA | HB |
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-5D-CD-0150-A | 15 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0151-A | 15.1 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0152-A | 15.2 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0153-A | 15.3 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0154-A | 15.4 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0155-A | 15.5 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0156-A | 15.6 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0157-A | 15.7 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0158-A | 15.8 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0159-A | 15.9 | 83 | D16 | 133 | HA | HB |
| HN-5D-CD-0160-A | 16 | 83 | D16 | 133 | HA | HB |
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 |
|---|---|---|---|---|
| ALCRONA (AlCrN) | Aluminium–chromium nitride (AlCrN) PVD coating, titanium-free; dense, fine-grained structure with high Al/Cr ratio to improve hot hardness and oxidation resistance. Typically deposited as a multi-layer or graded layer on solid carbide or HSS substrates. | Hardness: approx. 2800–3200 HV (nano-indentation). Coefficient of friction: ~0.3–0.35 in dry steel cutting. Heat resistance: stable at elevated temperatures, operating temperature up to about 1,000–1,100 °C with excellent hot hardness and oxidation resistance. High adhesion strength to tool substrate; low tendency to micro-chipping at the cutting edge. | Dark grey to blue-grey appearance. Titanium-free universal high-performance coating for heavy mechanical loads and high cutting speeds. Very high wear resistance under both low-speed / high-load and high-speed / dry-cut conditions. Good performance in dry or minimum-lubrication drilling, maintaining sharp cutting edges and consistent hole quality over long tool life. | Recommended workpiece materials: alloy and carbon steels, pre-hardened and hardened steels, cast irons and high-tensile structural steels. Especially suitable for high-performance carbide or HSS drills used in dry or semi-dry machining. Typical application fields: automotive power-train parts, mould & die holes, general engineering components and high-speed production drilling where long tool life and thermal stability are critical. |
Our 5 8 drill bit drawings clearly show key 5 8 drill bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 5 8 drill bit sizes for your CNC setup and machining depth before ordering.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which is equivalent to 15.875 mm. This conversion is commonly referenced in a 5 8 drill bit size chart for users working in both imperial and metric machining systems.
A 5 8 drill bit for metal is suitable for drilling steel, stainless steel, aluminum, cast iron, and alloy materials. With proper coating and geometry, a 5 8 drill bit for hardened steel can also perform reliably in high-hardness applications.
Yes, a 5 8 drill bit for wood can be used for woodworking applications, but metalworking drills are optimized for rigidity and heat resistance. For best results, always choose a 5 8 drill bit specifically designed for the material being machined.
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.
The External Coolant 5 8 drill bit with TiXCo3 coating is engineered for reliable and precise drilling in a wide range of metalworking applications where internal coolant is not required. Designed for use with standard external coolant systems, this 5 8 drill bit for metal features optimized flute geometry to promote smooth chip evacuation and stable cutting performance, even under continuous machining conditions.
The advanced TiXCo3 coating enhances surface hardness, wear resistance, and oxidation stability, significantly reducing friction and heat generation during drilling. This makes the 5 8 drill bit for steel and 5 8 drill bit for hardened steel well suited for high-speed drilling, batch production, and general CNC operations. Precision-ground cutting edges ensure accurate hole size, improved surface finish, and consistent repeatability. Available in standard and long configurations, this 5 8 drill bit offers flexibility for different drilling depths, machine setups, and production requirements.
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-3D-TD-0150 | 15 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0151 | 15.1 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0152 | 15.2 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0153 | 15.3 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0154 | 15.4 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0155 | 15.5 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0156 | 15.6 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0157 | 15.7 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0158 | 15.8 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0159 | 15.9 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0160 | 16 | 65 | 16 | 115 | HA | HB |
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-5D-TD-0150 | 15 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0151 | 15.1 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0152 | 15.2 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0153 | 15.3 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0154 | 15.4 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0155 | 15.5 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0156 | 15.6 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0157 | 15.7 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0158 | 15.8 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0159 | 15.9 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0160 | 16 | 83 | D16 | 133 | HA | HB |
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 |
|---|---|---|---|---|
| TiXCo3 | Advanced nanocomposite multilayer PVD coating based on Ti, Al, Cr and Si; usually built with a TiN or CrTiN adhesion layer, an AlTi(Si)N core and an extremely hard TiSiN nano-composite top layer. Copper-coloured coating designed specifically for hard-machining tools such as solid carbide drills. | Nano-hardness: 42–44 GPa (≈4300–4500 HV). Coefficient of friction: ~0.4 (PoD test, room temperature, 50 % humidity). Coating thickness: typically 1–4 µm. Maximum service temperature up to about 1,000–1,100 °C, giving excellent thermal stability and oxidation resistance for high-speed drilling in hard materials. | Copper appearance; delivers very high surface quality of the hole and extremely high wear resistance. Our hardest nanocomposite coating, optimized for hard machining and finishing operations in drilling, milling and reaming at very high cutting speeds. Suitable for dry or near-dry machining and for difficult-to-cut, abrasive alloys where long, stable tool life is required. | Recommended workpiece materials: hardened steels (up to ~60–64 HRC), stainless steels, tool steels, nickel-based superalloys, cast irons and other hard or abrasive metals. Typical application fields for drills: high-precision deep-hole and high-speed production drilling of dies and moulds, power-train and transmission components, aerospace turbine and structural parts, and other hard-machining operations demanding tight tolerances and excellent hole finish. |
Our 5 8 drill bit drawings clearly show key 5 8 drill bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 5 8 drill bit sizes for your CNC setup and machining depth before ordering.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which is equivalent to 15.875 mm. This conversion is commonly referenced in a 5 8 drill bit size chart for users working in both imperial and metric machining systems.
A 5 8 drill bit for metal is suitable for drilling steel, stainless steel, aluminum, cast iron, and alloy materials. With proper coating and geometry, a 5 8 drill bit for hardened steel can also perform reliably in high-hardness applications.
Yes, a 5 8 drill bit for wood can be used for woodworking applications, but metalworking drills are optimized for rigidity and heat resistance. For best results, always choose a 5 8 drill bit specifically designed for the material being machined.
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.
The External Coolant 5 8 drill bit with ALCRONA coating is designed for high-performance drilling in metalworking applications that use conventional external coolant supply. This 5 8 drill bit for metal features precision-engineered flute geometry to ensure smooth chip evacuation, stable cutting action, and reliable heat control during continuous drilling operations.
The ALCRONA coating provides outstanding hardness, thermal stability, and low friction, significantly improving wear resistance and tool life. As a result, this 5 8 drill bit for steel and 5 8 drill bit for hardened steel performs exceptionally well in high-speed and high-feed CNC machining environments. Precision-ground cutting edges help maintain accurate hole size, superior surface finish, and consistent repeatability. Available in standard and long-length options, this 5 8 drill bit offers flexibility for different drilling depths, machine configurations, and production demands.
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-3D-TD-0150-A | 15 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0151-A | 15.1 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0152-A | 15.2 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0153-A | 15.3 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0154-A | 15.4 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0155-A | 15.5 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0156-A | 15.6 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0157-A | 15.7 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0158-A | 15.8 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0159-A | 15.9 | 65 | 16 | 115 | HA | HB |
| HN-3D-TD-0160-A | 16 | 65 | 16 | 115 | HA | HB |
| Order Number | d | l | D | L | HA | HB |
|---|---|---|---|---|---|---|
| HN-5D-TD-0150-A | 15 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0151-A | 15.1 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0152-A | 15.2 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0153-A | 15.3 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0154-A | 15.4 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0155-A | 15.5 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0156-A | 15.6 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0157-A | 15.7 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0158-A | 15.8 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0159-A | 15.9 | 83 | D16 | 133 | HA | HB |
| HN-5D-TD-0160-A | 16 | 83 | D16 | 133 | HA | HB |
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 |
|---|---|---|---|---|
| ALCRONA (AlCrN) | Aluminium–chromium nitride (AlCrN) PVD coating, titanium-free; dense, fine-grained structure with high Al/Cr ratio to improve hot hardness and oxidation resistance. Typically deposited as a multi-layer or graded layer on solid carbide or HSS substrates. | Hardness: approx. 2800–3200 HV (nano-indentation). Coefficient of friction: ~0.3–0.35 in dry steel cutting. Heat resistance: stable at elevated temperatures, operating temperature up to about 1,000–1,100 °C with excellent hot hardness and oxidation resistance. High adhesion strength to tool substrate; low tendency to micro-chipping at the cutting edge. | Dark grey to blue-grey appearance. Titanium-free universal high-performance coating for heavy mechanical loads and high cutting speeds. Very high wear resistance under both low-speed / high-load and high-speed / dry-cut conditions. Good performance in dry or minimum-lubrication drilling, maintaining sharp cutting edges and consistent hole quality over long tool life. | Recommended workpiece materials: alloy and carbon steels, pre-hardened and hardened steels, cast irons and high-tensile structural steels. Especially suitable for high-performance carbide or HSS drills used in dry or semi-dry machining. Typical application fields: automotive power-train parts, mould & die holes, general engineering components and high-speed production drilling where long tool life and thermal stability are critical. |
Our 5 8 drill bit drawings clearly show key 5 8 drill bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 5 8 drill bit sizes for your CNC setup and machining depth before ordering.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which is equivalent to 15.875 mm. This conversion is commonly referenced in a 5 8 drill bit size chart for users working in both imperial and metric machining systems.
A 5 8 drill bit for metal is suitable for drilling steel, stainless steel, aluminum, cast iron, and alloy materials. With proper coating and geometry, a 5 8 drill bit for hardened steel can also perform reliably in high-hardness applications.
Yes, a 5 8 drill bit for wood can be used for woodworking applications, but metalworking drills are optimized for rigidity and heat resistance. For best results, always choose a 5 8 drill bit specifically designed for the material being machined.
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.
The 5 8 drill bit is widely used in precision drilling across metalworking, fabrication, and general CNC machining industries. Designed for versatility, this 5 8 drill bit for metal is suitable for steel, stainless steel, aluminum, and alloy materials, supporting operations such as through-hole drilling, deep-hole drilling, and high-volume production.
Optimized cutting geometry ensures smooth chip evacuation and stable drilling performance, even in demanding machining conditions. For applications requiring increased reach, long 5 8 drill bit options are available, providing flexibility for deeper holes while maintaining accuracy and consistency. With clear references for what size is a 5 8 drill bit and metric equivalents, this tool integrates easily into both imperial and metric machining environments.
Engineered for accuracy and durability, the 5 8 drill bit delivers consistent hole quality and extended tool life in continuous machining operations. Precision-ground cutting edges ensure accurate 5 8 drill bit size, reduced vibration, and improved surface finish during drilling.
Whether used as a 5 8 drill bit for steel or 5 8 drill bit for hardened steel, the tool maintains stable performance under high cutting speeds and feeds. Advanced manufacturing processes and strict quality control help achieve reliable repeatability from batch to batch. Available with multiple lengths, shank types, and coolant configurations, this 5 8 drill bit is an ideal solution for workshops and production lines seeking dependable, high-precision drilling performance.
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 5 8 drill bit Needs
We Only Use unground tungsten carbide rods with HlP sintering and 100% 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 5 8 drill bit.
Each of your tungsten 5 8 drill bit will be sandblasted to effectively remove burrs and improve the finish.
All HNCarbide’s 5 8 drill bit 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’s 5 8 drill bit 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.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which is equivalent to 15.875 mm. This conversion is commonly referenced in a 5 8 drill bit size chart for users working in both imperial and metric machining systems.
A 5 8 drill bit for metal is suitable for drilling steel, stainless steel, aluminum, cast iron, and alloy materials. With proper coating and geometry, a 5 8 drill bit for hardened steel can also perform reliably in high-hardness applications.
Yes, a 5 8 drill bit for wood can be used for woodworking applications, but metalworking drills are optimized for rigidity and heat resistance. For best results, always choose a 5 8 drill bit specifically designed for the material being machined.
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.
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Safety stock for fast-moving items and forecast-based production.
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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.
The 5 8 drill bit is one of the most widely used large-diameter drill sizes in metalworking, fabrication, and industrial machining. Known for its versatility and stable cutting performance, the 5 8 drill bit for metal is commonly applied in steel, stainless steel, aluminum, and even hardened materials when the right tool design and coating are selected.
In this article, we will explain what size is a 5 8 drill bit, explore its common applications, compare material suitability, and help you choose the right 5 8 drill bit configuration for your machining needs.
A 5 8 drill bit has a nominal diameter of 0.625 inches, which equals 15.875 mm in metric measurement. This conversion is important for users working in mixed imperial and metric machining environments.
Many CNC workshops rely on a 5 8 drill bit size chart to ensure accurate tool selection, especially when replacing metric drills or matching hole tolerances. Understanding the 5 8 drill bit in mm helps maintain consistency in hole quality, especially in precision assemblies.
The 5 8 drill bit is suitable for a wide range of drilling operations, including:
Through-hole drilling in structural components
Pre-drilling for tapping or reaming
Deep-hole drilling with long-length designs
High-volume production drilling
In industrial settings, the 5 8 drill bit for steel is frequently used in machinery parts, brackets, and base plates. With proper geometry and coating, a 5 8 drill bit for hardened steel can also handle higher hardness materials while maintaining tool life and hole accuracy.
While the 5 8 drill bit for wood is typically designed with aggressive cutting edges and wider flutes, metalworking drills require higher rigidity, precise point geometry, and advanced coatings.
A 5 8 drill bit metal version is optimized for:
Controlled chip formation
Heat resistance
Stable cutting at higher spindle loads
Using a wood-specific drill on metal can result in poor hole quality, excessive wear, or tool failure. Selecting a purpose-built 5 8 drill bit for metal ensures safe and efficient machining.
Drilling depth is a key consideration when selecting a 5 8 drill bit. Standard-length drills are ideal for shallow and medium-depth holes, while a long 5 8 drill bit or 5 8 drill bit 12 inches long is used for deeper drilling applications.
Longer drills require:
Stable machine setup
Proper feed and speed control
Efficient coolant delivery
For deeper holes, internal or external coolant support helps maintain chip evacuation and temperature control.
Different machines require different shank configurations. Common options include:
5 8 drill bit 1 2 shank
5 8 drill bit 3 8 shank
Selecting the correct shank ensures proper clamping, reduced runout, and improved drilling stability. Always match the shank size to your machine spindle or tool holder for optimal performance.
Coolant delivery plays a crucial role in drilling performance.
External coolant 5 8 drill bit designs are suitable for general drilling and standard CNC operations.
Internal coolant designs deliver coolant directly to the cutting edge, making them ideal for deep-hole drilling and high-speed production.
Choosing the right coolant configuration improves chip evacuation, reduces heat buildup, and extends tool life.
Advanced coatings significantly improve drilling efficiency and durability.
TiXCo3 coating enhances wear resistance and reduces friction for stable drilling.
ALCRONA coating offers excellent hardness and thermal stability, making it suitable for high-speed drilling and hardened steel applications.
A coated 5 8 drill bit for hardened steel performs better under high cutting loads and helps maintain consistent hole quality.
Maintaining accurate 5 8 drill bit size is critical for assemblies, fastener fitting, and downstream processes. Precision-ground drills ensure:
Accurate hole diameter
Improved surface finish
Reduced vibration and tool deflection
High-quality manufacturing and strict quality control are essential for consistent results in production environments.
The 5 8 drill bit is a versatile and essential tool for modern machining. By understanding what size is a 5 8 drill bit, selecting the correct material design, length, shank, coating, and coolant configuration, manufacturers can achieve reliable drilling performance and long tool life.
Whether you need a 5 8 drill bit for metal, a long 5 8 drill bit for deep holes, or a coated solution for hardened steel, choosing the right drill ensures efficiency, accuracy, and repeatable results in CNC machining operations.
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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