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Grade Drill Bits for Alloy Steel
Premium cobalt options help improve customer satisfaction in stainless steel drilling.
Designed to support clean drilling, stable feeding, and reliable chip removal.
The drill bits can be supplied as individual pieces, sets, or customized assortments.
Supports flexible sourcing for importers, wholesalers, and tool brands.
Trusted by Global Brands
OEM Partner for Industry Leaders
Customization & Packaging
Complete OEM/ODM solutions tailored to your brand requirements
Build Your Own Brand with Custom Grade Drill Bits for Alloy Steel
- Bulk pack, plastic box, color box, blister — suitable for industrial supply and retail
- Straight / reduced / hex / three-flat shank — cover different drilling machines
- HSS 4341 / 6542 / M35 / M42 — selected for durability and drilling performance
- Low MOQ: Fast samples available — confirm specifications before larger orders
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Aluminum Alloy
- •These grade alloy steel drill bits feature sleek flutes for fast chip evacuation. Low-friction cutting design penetrates aluminum alloy effortlessly without burrs or deformation. It ensures precise positioning and clean round holes for daily alloy processing tasks.
Drilling Stainless Steel
- •Premium grade drill bits boast high hardness and outstanding heat resistance. Special cutting geometry reduces friction and avoids tip overheating. It stably drills stainless steel with smooth penetration, delivering neat and accurate holes long-lastingly.
Drilling Wood
- •Ideal for wood drilling, these bits stay sharp with excellent cutting performance. Efficient flute structure clears wood debris quickly to prevent clogging and splintering. It creates clean, burr-free holes, perfect for general woodworking applications.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Why Do Hardware Importers Need Multiple Shank Options?
Straight shank, reduced shank, hex shank, and three-flat options cover more user requirements.
Need Drill Bits for Professional Metal Workers?
High-performance HSS and cobalt drill bits are suitable for accurate and repeated drilling tasks.
Looking for Drill Bits That Support Brand Differentiation?
Logo marking, surface finish, and packaging design help separate your products from generic tools.
Our Production Process
From raw materials to finished products, every step is meticulously controlled to ensure superior quality and precision.
Raw Material Cutting
Heat Treatment
Coarse Grinding
Shank Grinding
Flute Edge Grinding
Fine Grinding
Double Angle
Angle Grinding
Sharping Edge
International Certifications
Our products meet the highest international standards and are certified by leading quality organizations worldwide.
RoHS Certificate
• Expiry Date:2027.10.05
ISO 9001:2015
• Expiry Date:2028.10.05
SGS Audit Report
• Expiry Date:2028.01.05
Product Spec Table
| SKU | Key Specs | Material / Coating | Packaging |
|---|---|---|---|
| 1/64"/0.5mm | 12mm Flute Length / 34mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/64"/1.0mm | 12mm Flute Length / 34mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/16"/1.5mm | 20mm Flute Length / 43mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/64"/2.0mm | 24mm Flute Length / 49mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/32"/2.5mm | 30mm Flute Length / 57mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/64"/3.0mm | 33mm Flute Length / 61mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/34"/3.5mm | 39mm Flute Length / 70mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/32"/4.0mm | 43mm Flute Length / 75mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/64"/4.5mm | 47mm Flute Length / 80mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/16"/5.0mm | 52mm Flute Length / 86mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/32"/5.5mm | 57mm Flute Length / 93mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 15/64"/6.0mm | 57mm Flute Length / 93mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/4"/6.5mm | 63mm Flute Length / 101mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 17/64"/7.0mm | 69mm Flute Length / 109mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/32"/7.5mm | 169mm Flute Length / 101mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/16"/8.0mm | 75mm Flute Length / 117mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 21/64"/8.5mm | 75mm Flute Length / 117mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/32"/9.0mm | 81mm Flute Length / 125mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/8"/9.5mm | 81mm Flute Length / 125mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 25/64"/10.0mm | 87mm Flute Length / 133mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 13/32"/10.5mm | 87mm Flute Length / 133mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 27/26"/11mm | 94mm Flute Length / 142mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 7/16"/11.5mm | 94mm Flute Length / 142mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 15/32"/12mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 31/64"/12.5mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 1/2"/13.0mm +mm | 101mm Flute Length / 151mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 17/32"/13.5mm | 108mm Flute Length / 160mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 9/16"/14.0mm | 108mm Flute Length / 160mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 37/64"/14.5mm | 114mm Flute Length / 169mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 19/32"/15.0mm | 114mm Flute Length / 169mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 39/64"/15.5mm | 120mm Flute Length / 178mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 5/8"/16.0mm | 120mm Flute Length / 178mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 21/32"/16.5mm | 125mm Flute Length / 184mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 43/64"/17.0mm | 125mm Flute Length / 184mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 11/16"/17.5mm | 130mm Flute Length / 191mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 45/64"/18.0mm | 130mm Flute Length / 191mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 47/64"/18.5mm | 135mm Flute Length / 198mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 3/4"/19.0mm | 135mm Flute Length / 198mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 49/64"/19.5mm | 140mm Flute Length / 205mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
| 25/32"/20.0mm | 140mm Flute Length / 205mm Overall Length | M35/M42 Body Material/Custom Coated | Plastic Box/Paper Box/Customization |
Frequently Asked Questions
Everything you need to know about our products, customization options, and ordering process.
What Drill Bit For Alloy Steel?
M35 M42 Cobalt HSS And Carbide Drill Bits Are The Best Choice For Drilling All Kinds Of Alloy Steel.
How To Drill Through Alloy Steel?
Use Low Rotation Speed, Apply Cutting Fluid, Keep Steady Pressure, And Start With A Small Pilot Hole For Alloy Steel.
Can I Drill Through Aluminum Alloy?
Yes, Standard HSS And Titanium Coated Drill Bits Can Easily Drill Aluminum Alloy Sheets And Profiles.
Do I Need A Special Drill Bit For Steel?
Yes, Ordinary HSS Is For Mild Steel; Cobalt Or Carbide Bits Are Required For Hard And Alloy Steel.
Is It Easier To Drill Through Steel Or Aluminum?
Aluminum Is Softer And Easier To Drill, While Steel Needs Lower Speed And Better Hardened Drill Bits.
How To Tell If A Drill Bit Is For Alloy Steel?
Alloy Steel Drill Bits Are Marked HSS Cobalt, M35 Or M42, With Gold Or Bronze Surface Coating For Hard Metal Use.
Need a Quotation?
Send us your inquiry with contact person, WhatsApp, email, and message. Our team will respond quickly.
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We Apply Drill Bits For Alloy Steel For Medium Hardness Alloy Component Drilling. High Toughness HSS Material Resists Wear On Alloy Steel, Maintains Sharpness After Drilling Dozens Of Hard Workpieces. Satisfied With Overall Performance, We Plan Long-Term Fixed Cooperation."
Gary Bennett
Factory Production Manager
Poland
"We Supply Alloy Steel Drill Bits To Local Machinery Manufacturing Factories. Strict Dimensional Tolerance Matches Precision Processing Requirements, With Complete Batch Quality Consistency. Stable Cooperation Experience Makes Us Continue Annual Repeat Orders."
Elena Popov
Hardware Import Wholesaler
Bulgaria
"We Use Drill Bits For Alloy Steel For Mold Repair And Alloy Part Reaming. Good Hardness And Impact Resistance Avoids Edge Chipping During Hard Alloy Drilling. Trustworthy Supplier Strength, We Hope To Maintain Permanent Business Cooperation."
Neil Harper
Hardware Contractor
United Kingdom
"We Apply Drill Bits For Alloy Steel For Medium Hardness Alloy Component Drilling. High Toughness HSS Material Resists Wear On Alloy Steel, Maintains Sharpness After Drilling Dozens Of Hard Workpieces. Satisfied With Overall Performance, We Plan Long-Term Fixed Cooperation."
Gary Bennett
Factory Production Manager
Poland
"We Supply Alloy Steel Drill Bits To Local Machinery Manufacturing Factories. Strict Dimensional Tolerance Matches Precision Processing Requirements, With Complete Batch Quality Consistency. Stable Cooperation Experience Makes Us Continue Annual Repeat Orders."
Elena Popov
Hardware Import Wholesaler
Bulgaria
"We Use Drill Bits For Alloy Steel For Mold Repair And Alloy Part Reaming. Good Hardness And Impact Resistance Avoids Edge Chipping During Hard Alloy Drilling. Trustworthy Supplier Strength, We Hope To Maintain Permanent Business Cooperation."
Neil Harper
Hardware Contractor
United Kingdom
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