Skip to content HNCarbide manufactures high-quality 10mm drill bit solutions designed for precise and stable drilling in metal, steel, wood, concrete, and masonry applications. Whether you are searching for what size is a 10mm drill bit, a 10mm drill bit in inches, or a reliable 10mm drill bit equivalent in standard or imperial size, our products deliver consistent accuracy and long tool life.
Our 10mm drill bit range includes HSS and carbide options, standard and extra-long designs, and optimized geometries for industrial machining and construction use. With strict quality control and flexible customization, we provide dependable 10mm drill bit conversion–ready solutions for global customers working with metric and inch-based systems.
The 10mm drill bit is designed for precise and stable drilling in metal, steel, wood, concrete, and masonry applications. It is widely used in industrial machining and construction projects where accurate hole size and consistent performance are required. For users asking what size is a 10mm drill bit, this tool offers reliable results in both metric and imperial systems.
A 10mm drill bit in inches equals approximately 0.3937″, making it close to a 3/8 drill bit, though not exactly the same. Understanding the 10mm drill bit conversion to standard and fractional sizes is important when selecting the correct drill for precision work.
Manufactured from high-quality HSS or solid carbide, this 10mm drill bit for metal and steel provides excellent wear resistance and heat stability. For construction use, the 10mm drill bit for concrete and masonry features optimized flute design for efficient chip removal. Available in standard and long lengths, this 10mm drill bit meets a wide range of drilling requirements.
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 |
|---|---|---|---|---|
| ALCRN | Al: 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). |
A 10mm drill bit can be used for a wide range of materials, including:
Metal and steel
Wood
Concrete and brick
Masonry and walls
Choosing the correct type (HSS, carbide, or masonry) is essential for optimal performance.
Yes. A 10mm drill bit is available in standard, long, and extra-long versions, including options such as a 10mm drill bit 20mm long. Long drill bits are used for deep-hole drilling but require proper alignment to avoid bending or breakage.
When selecting a 10mm drill bit, consider:
The material being drilled
Required hole accuracy
Drill bit material (HSS, carbide, masonry)
Drill length and depth
Machine type (hand drill or CNC)
Proper selection improves drilling efficiency and tool life.
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 10mm drill bit is widely used in industrial machining, construction, and installation projects requiring accurate hole sizing and stable drilling performance. It is suitable for drilling metal, steel, wood, concrete, brick, and masonry, making it a versatile solution for both workshop and on-site applications.
For users searching what size is a 10mm drill bit or 10mm drill bit in standard or imperial size, this tool provides reliable compatibility across metric and inch-based systems. Whether used as a 10mm drill bit for metal, a 10mm drill bit for concrete, or a 10mm drill bit for wood, it ensures clean holes and consistent results under various working conditions.
Each 10mm drill bit is manufactured from high-quality HSS or solid carbide to ensure excellent wear resistance, heat stability, and long service life. Precision-ground cutting edges help maintain accurate diameter control, which is critical when considering 10mm drill bit conversion to inches or fractional equivalents.
Optimized flute geometry improves chip evacuation and reduces vibration, especially in 10mm drill bit for steel and masonry applications. Available in standard and long versions, including extra-long options, this 10mm drill bit delivers dependable performance for both manual drilling and machine-driven operations.
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 10mm Drill Bit 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 10mm Drill Bit.
Each of your 10mm Drill Bit will be sandblasted to effectively remove burrs and improve the finish.
All HNCarbide’s 10mm 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 10mm 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 10mm drill bit can be used for a wide range of materials, including:
Metal and steel
Wood
Concrete and brick
Masonry and walls
Choosing the correct type (HSS, carbide, or masonry) is essential for optimal performance.
Yes. A 10mm drill bit is available in standard, long, and extra-long versions, including options such as a 10mm drill bit 20mm long. Long drill bits are used for deep-hole drilling but require proper alignment to avoid bending or breakage.
When selecting a 10mm drill bit, consider:
The material being drilled
Required hole accuracy
Drill bit material (HSS, carbide, masonry)
Drill length and depth
Machine type (hand drill or CNC)
Proper selection improves drilling efficiency and tool life.
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.
A 10mm drill bit is one of the most commonly used drill sizes in industrial manufacturing, construction, and general machining. Whether you are working with metal, steel, wood, or concrete, understanding what size is a 10mm drill bit and how it compares to standard or imperial sizes is essential for accurate drilling and proper tool selection.
In this guide, we will explain the 10mm drill bit size, its conversion to inches and fractional sizes, typical applications, and how to choose the right 10mm drill bit for different materials.
The first question many users ask is: what size is a 10mm drill bit in inches?
A 10mm drill bit in inches equals approximately 0.3937 inches.
This measurement places the 10mm drill bit close to a 3/8 drill bit, which measures 0.375 inches, but the two are not exactly the same. This difference is important in precision drilling, especially in CNC machining, metal fabrication, and engineering applications.
10mm drill bit to inches: 0.3937″
10mm drill bit to fraction: Between 3/8″ and 25/64″
10mm drill bit equivalent (imperial): No exact fractional equivalent
Because there is no perfect 10mm drill bit fractional equivalent, metric drill bits are recommended when tight tolerances are required.
Many users search for 10mm drill bit 3/8 or 3/8 10mm drill bit, assuming they are interchangeable. While a 3/8 drill bit is often used as a substitute, it is smaller than a true 10mm drill bit.
Use a 10mm drill bit when accuracy matters
Use a 3/8 drill bit only when metric tools are unavailable and tolerances allow
For precision holes, especially for bolts, fasteners, or tapped holes, always choose the correct 10mm drill bit size.
A 10mm drill bit is widely used due to its versatility. Depending on material and tool design, it can serve multiple industries and working conditions.
A 10mm drill bit for metal is commonly used in:
Structural steel fabrication
Machinery parts
Automotive components
For harder materials, a 10mm drill bit for steel made from HSS or solid carbide offers better heat resistance and longer tool life.
A 10mm drill bit for concrete is typically used in:
Wall anchors
Expansion bolts
Construction installations
A 10mm drill bit masonry version features reinforced tips and optimized flute geometry to handle brick, concrete, and stone. Always use appropriate drilling speed and impact settings for masonry work.
A 10mm drill bit for wood is suitable for:
Furniture manufacturing
Woodworking assemblies
Structural timber connections
For clean holes and reduced splintering, sharp cutting edges and proper feed rates are essential.
An HSS 10mm drill bit is widely used for general-purpose drilling. It offers:
Good wear resistance
Cost efficiency
Suitability for metal, wood, and plastics
Solid carbide options provide:
Higher hardness
Longer service life
Better performance in high-speed or CNC applications
Depending on drilling depth, a 10mm drill bit is available in multiple lengths:
Standard length
Long 10mm drill bit
Extra long 10mm drill bit
10mm drill bit 200mm long for deep-hole drilling
Longer drill bits require stable machines and proper alignment to avoid deflection.
Many international users search for:
10mm drill bit in imperial
10mm drill bit in standard
10mm drill bit conversion to standard
While imperial users often rely on fractional drill bits, using a true 10mm drill bit ensures accurate results when working with metric drawings, fasteners, and components.
When selecting a 10mm drill bit, consider the following factors:
Material being drilled (metal, steel, wood, concrete)
Required hole accuracy
Drilling depth
Machine type (hand drill or CNC)
Metric vs imperial standards
Choosing the correct specification improves efficiency, tool life, and final product quality.
A 10mm drill bit is an essential tool across industrial, construction, and machining applications. Understanding what size is a 10mm drill bit, how it compares to 3/8 drill bits, and when to use metric versus imperial equivalents helps ensure precise and reliable drilling results.
Whether you need a 10mm drill bit for metal, concrete, or wood, selecting the right material, length, and geometry is key to achieving consistent performance and long-term productivity.
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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