Skip to content Designed for drilling hardened steel, stainless steel, alloy steel, and other difficult-to-machine materials, our tools are made from premium raw materials and produced with advanced CNC grinding technology.
Our product range includes solid carbide drill bits for hardened steel and tungsten carbide drill bits for hardened steel, offering excellent wear resistance, stable cutting performance, and consistent hole quality even under demanding conditions. Strict quality control and optimized geometries ensure reliable results in high-speed and high-precision machining.
As an experienced carbide drill bit manufacturer, we also provide customized diameters, coatings, and lengths to meet specific machining requirements.
If you are looking for the best carbide drill bits for hardened steel, HNCarbide is your reliable partner.
Our carbide drill bits hardened steel applications demand are specifically engineered for drilling high-hardness materials with precision and stability. Manufactured from premium-grade carbide and processed using advanced CNC grinding technology, these drill bits deliver excellent wear resistance, heat resistance, and long tool life when machining hardened steel.
Designed for drilling hardened steel with carbide drill bits, our products maintain stable cutting performance even under high-speed and high-feed conditions. Optimized point geometry and flute design ensure smooth chip evacuation, reduced vibration, and accurate hole positioning, making them suitable for both shallow and deep-hole drilling operations.
The product range includes solid carbide drill bits for hardened steel as well as tungsten carbide drill bits for hardened steel, covering a wide selection of diameters, lengths, and coatings. These options allow users to achieve consistent hole quality in hardened steel, alloy steel, stainless steel, and other difficult-to-machine materials.
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. |
Carbide drill bits hardened steel applications are best suited for drilling materials with high hardness, typically above HRC 45. They are widely used for hardened steel, alloy steel, stainless steel, and other difficult-to-machine materials where conventional HSS drill bits fail quickly.
Solid carbide drill bits for hardened steel are made entirely from carbide material, providing maximum rigidity and precision for high-speed CNC machining.
Tungsten carbide drill bits for hardened steel balance hardness and toughness, making them suitable for applications with interrupted cutting or varying material hardness. The choice depends on machining stability, hole depth, and production volume.
Cutting parameters depend on material hardness, drill diameter, and machine rigidity. In general, drilling hardened steel with carbide drill bits requires lower feed rates and controlled cutting speeds compared to softer materials. Following manufacturer recommendations helps prevent chipping and premature tool failure.
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.
Our carbide drill bits hardened steel machining relies on are widely used in precision CNC operations across automotive, mold making, aerospace, and general engineering industries. From pilot drilling to full-depth drilling, these tools are designed to deliver stable performance in hardened steel and other high-strength materials.
Compared with conventional drill bits, carbide drill bits for drilling hardened steel provide superior rigidity and heat resistance, significantly reducing tool wear and improving machining efficiency. Optimized cutting edges ensure smooth chip evacuation and accurate hole geometry, even in continuous or high-volume production.
With a full range of diameters and lengths available, our solutions help manufacturers achieve reliable results when drilling hardened steel with carbide drill bits, covering diverse application requirements.
Each carbide drill bits hardened steel product is manufactured from premium-grade raw material and finished on advanced CNC grinding machines to ensure consistent accuracy and durability. Fine-tuned point angles and flute designs allow for excellent cutting stability and reduced vibration during machining.
Our portfolio includes solid carbide drill bits for hardened steel and tungsten carbide drill bits for hardened steel, offering outstanding wear resistance and long service life in demanding environments. These tools maintain sharp cutting edges even under high-speed and high-feed conditions.
For customers seeking the best carbide drill bits for hardened steel, we also provide customized solutions in terms of coatings, tolerances, and tool geometry to match specific production needs.
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 Carbide Drill Bits Hardened Steel 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 Carbide Drill Bits Hardened Steel.
Each of your Carbide Drill Bits Hardened Steel will be sandblasted to effectively remove burrs and improve the finish.
All HNCarbide’s Carbide Drill Bits Hardened Steel 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 Carbide Drill Bits Hardened Steel 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.
Carbide drill bits hardened steel applications are best suited for drilling materials with high hardness, typically above HRC 45. They are widely used for hardened steel, alloy steel, stainless steel, and other difficult-to-machine materials where conventional HSS drill bits fail quickly.
Solid carbide drill bits for hardened steel are made entirely from carbide material, providing maximum rigidity and precision for high-speed CNC machining.
Tungsten carbide drill bits for hardened steel balance hardness and toughness, making them suitable for applications with interrupted cutting or varying material hardness. The choice depends on machining stability, hole depth, and production volume.
Cutting parameters depend on material hardness, drill diameter, and machine rigidity. In general, drilling hardened steel with carbide drill bits requires lower feed rates and controlled cutting speeds compared to softer materials. Following manufacturer recommendations helps prevent chipping and premature tool failure.
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.
Machining hardened steel is one of the most challenging tasks in modern manufacturing. High hardness, strong abrasion, and intense heat generation often lead to rapid tool wear and poor hole quality when using conventional drilling tools. This is why carbide drill bits hardened steel applications rely on have become an essential solution for precision machining across multiple industries.
In this guide, we will explore why carbide drill bits are ideal for hardened steel, how they outperform traditional tools, and how to choose the best carbide drill bits for hardened steel based on real production needs.
Hardened steel typically has a hardness of HRC 45 and above. During drilling, excessive cutting forces and heat can quickly cause edge chipping, tool breakage, or dimensional inaccuracies. Standard HSS drill bits often fail under these conditions.
Carbide drill bits for drilling hardened steel are designed to overcome these challenges. Thanks to their superior hardness and thermal stability, carbide tools maintain sharp cutting edges even at high temperatures, ensuring stable drilling performance and longer tool life.
One of the main reasons manufacturers choose carbide tools is their outstanding performance consistency. Compared with conventional materials, carbide offers several key advantages:
High wear resistance for extended tool life
Excellent heat resistance, suitable for high-speed drilling
High rigidity, reducing vibration and improving hole accuracy
Superior surface finish, even in hardened materials
These benefits make drilling hardened steel with carbide drill bits more efficient and reliable, especially in CNC machining environments.
When selecting the right tool, understanding the difference between tool types is crucial.
Solid carbide drill bits for hardened steel are manufactured entirely from carbide material. They offer maximum rigidity and precision, making them ideal for high-speed, high-accuracy drilling operations. These tools are commonly used in CNC machining centers where consistency and repeatability are critical.
Tungsten carbide drill bits for hardened steel provide excellent hardness and toughness, balancing wear resistance with impact strength. They are well suited for applications involving interrupted cuts or varying material hardness.
Both types deliver reliable results, but the best choice depends on machining conditions, machine stability, and production volume.
Modern carbide drill bits hardened steel machining relies on are engineered with optimized geometries to enhance performance:
Precision ground point angles for accurate centering
Optimized flute design for smooth chip evacuation
Reinforced cutting edges to prevent chipping
Advanced coatings to reduce friction and heat
These features significantly improve tool life and reduce downtime, especially in demanding production environments.
Carbide drill bits are widely used in industries where hardened steel is common, including:
Automotive components
Mold and die manufacturing
Aerospace parts
Precision machinery
Tool and fixture production
In these sectors, consistent hole quality and dimensional accuracy are critical, making carbide drill bits hardened steel solutions the preferred choice.
Selecting the right tool involves more than just material choice. Consider the following factors:
Workpiece hardness
Hole depth and diameter
Machining speed and feed rate
Machine rigidity and stability
Coating requirements
By evaluating these parameters, manufacturers can identify the best carbide drill bits for hardened steel that match their specific production needs.
Even with high-quality tools, improper usage can reduce performance. Common mistakes include:
Using incorrect cutting parameters
Insufficient coolant or lubrication
Poor chip evacuation
Lack of tool rigidity
Avoiding these issues ensures optimal results when drilling hardened steel with carbide drill bits.
For manufacturers wondering where to buy carbide drill bits for hardened steel, choosing a reliable supplier is just as important as selecting the right tool. A professional manufacturer offers:
Consistent raw material quality
Advanced CNC grinding technology
Strict quality control
Customization options
Technical support
Working directly with an experienced carbide drill bit supplier ensures stable quality, competitive pricing, and tailored solutions for industrial applications.
As machining requirements continue to rise, carbide drill bits hardened steel applications rely on have become indispensable in modern manufacturing. Their superior hardness, thermal stability, and precision make them the ideal solution for drilling hardened steel efficiently and accurately.
By understanding tool types, design features, and application requirements, manufacturers can confidently select the right carbide drill bits and achieve long-term productivity improvements in hardened steel machining.
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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