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Heavy-Duty Drill Bits for Metal
Heavy-duty web construction improves rigidity and helps reduce breakage when drilling hard metal, thick steel plates, and industrial workpieces.
Precision-ground point, flute, and drill body support cleaner holes, smoother cutting, and more stable performance in repeated metal drilling.
The aggressive split point starts quickly on metal surfaces and helps reduce slipping, making it suitable for professional workshop use.
Regular spiral flutes help remove chips smoothly, improving drilling efficiency and reducing heat build-up during continuous work.
A strong choice for fabrication shops, machinery repair, maintenance teams, and distributors serving professional metalworking users.
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 Heavy-Duty Drill Bits for Metal
- Custom Packaging Options: Bulk pack, blister, color box, plastic case — suitable for metalworking distributors
- Shank Type Customization: Straight / reduced / hex / three flats — fit different tools and markets
- Material Selection: HSS 4241 / 4341 / 6542 / M35 cobalt / M42 cobalt — choose by performance level
- Sample support available — confirm quality before bulk order
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Stainless Steel
- •These heavy-duty metal drill bits own superior hardness and heat resistance. Optimized cutting structure lowers friction to prevent overheating. It achieves stable fast penetration, produces smooth round burr-free holes and boasts long service life for tough metal drilling.
Drilling PVC
- •Built with fine sharp cutting edges, it drills PVC materials gently and smoothly. Reasonable flute design removes chips rapidly without blockage. It avoids cracking and deformation, creating neat clean holes ideal for daily PVC processing work.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Are You Supplying Drill Bits to Tool Distributors?
We offer factory-direct OEM services to support regional distributors and wholesalers with customized specifications.
Why Do Professional Users Prefer Sharp Drill Bits?
Sharp edges reduce drilling effort, improve hole quality, and increase working efficiency.
Looking for Drill Bits That Improve Customer Experience?
Clean drilling, clear marking, and reliable packaging help end users trust the product.
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 Are The Strongest Drill Bits For Drilling Metal?
M42 cobalt HSS and solid carbide drill bits rank the strongest for heavy-duty drilling on all kinds of metal.
What Type Of Bit Is Best For Drilling Into Metals?
HSS twist bits, cobalt alloy bits and titanium coated bits are the most practical options for general metal drilling.
What Is Stronger, Titanium Or Carbide Drill Bits?
Carbide drill bits own higher hardness and heat resistance, far stronger and more durable than titanium coated bits.
How To Drill A Hole In Hardened Steel?
Drill at low speed with cutting fluid, use a pilot hole first, and apply steady light pressure with cobalt or carbide bits.
Is There A Drill Bit That Will Drill Through Hardened Steel?
Yes, premium M42 cobalt drill bits and solid carbide bits can easily penetrate tough hardened steel surfaces.
What Kind Of Drill Bit Is Best For Hardened Steel?
M42 high cobalt HSS and industrial carbide drill bits are the ideal choice for drilling heat-treated hardened steel.
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We Adopt Heavy-Duty Drill Bits For Metal For Thick Plate And High-Strength Metal Drilling. Reinforced HSS Body Resists High Torque Drilling, Does Not Crack Even In Long-Time Heavy Load Working. Excellent Durability Makes Us Choose Long-Term Exclusive Supply Cooperation."
Liam Henderson
Auto Body Repair Workshop Manager
United Kingdom
"We Distribute Heavy-Duty Metal Drill Bits For Mining And Large Construction Projects. Abrasion-Resistant Surface Treatment Extends Service Life Obviously Under Harsh Working Environment. Stable Quality And Reasonable MOQ, We Will Continuously Increase Order Volume."
Giulia Bianchi
Automotive Hardware Importer
Italy
"Our Repair Chain Uses Heavy-Duty Drill Bits For Metal For Large Machinery Disassembly And Refitting. Strong Penetration Works Well On Thick Metal And Forged Parts, Reduces Tool Replacement Frequency Greatly. We Recognize The Quality Highly And Hope For Sustained Cooperation."
Ole Kristensen
Vehicle Modification Engineering Contractor
Norway
"We Adopt Heavy-Duty Drill Bits For Metal For Thick Plate And High-Strength Metal Drilling. Reinforced HSS Body Resists High Torque Drilling, Does Not Crack Even In Long-Time Heavy Load Working. Excellent Durability Makes Us Choose Long-Term Exclusive Supply Cooperation."
Liam Henderson
Auto Body Repair Workshop Manager
United Kingdom
"We Distribute Heavy-Duty Metal Drill Bits For Mining And Large Construction Projects. Abrasion-Resistant Surface Treatment Extends Service Life Obviously Under Harsh Working Environment. Stable Quality And Reasonable MOQ, We Will Continuously Increase Order Volume."
Giulia Bianchi
Automotive Hardware Importer
Italy
"Our Repair Chain Uses Heavy-Duty Drill Bits For Metal For Large Machinery Disassembly And Refitting. Strong Penetration Works Well On Thick Metal And Forged Parts, Reduces Tool Replacement Frequency Greatly. We Recognize The Quality Highly And Hope For Sustained Cooperation."
Ole Kristensen
Vehicle Modification Engineering Contractor
Norway
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