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Certified Drill Bits for Construction Steel
Premium cobalt options help improve customer satisfaction in construction steel drilling.
135° split point is self-centering without wandering on metal.
Flute designed to support clean drilling, stable feeding, and reliable chip removal.
Sharp cutting edges help reduce drilling time and improve user experience.
The product line 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 Certified Drill Bits for Construction Steel
- Custom Packaging Options:Blister, color box, bulk pack— support wholesale and retail sales
- Shank Type Customization:Straight shank / 1/2" reduced shank / 1/4" hex / three-flat shank— meet different user needs
- Material Selection:HSS 4241 / 4341 / M2 / M35 / M42 — select by drilling material and budget
- Low MOQ:Low MOQ from 100 pcs — quick sampling for new market testing
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Steel Pipe
- •These certified construction drill bits feature robust high-strength construction for steel pipe drilling. Sharp cutting edges ensure steady penetration, smooth chip removal and accurate positioning. It stays stable against vibration, creating clean round holes for pipe engineering work.
Drilling Iron
- •Engineered for iron material drilling, the drill bits own exceptional hardness and impact resistance. Optimized flute design quickly discharges iron chips without clogging. It maintains long-term sharpness, enabling efficient and burr-free hole drilling all the time.
Drilling Stainless Steel
- •Certified premium drill bits perfectly suit stainless steel heavy-duty drilling. Special heat-resistant design lowers friction and avoids overheating. Excellent wear resistance keeps the tip sharp, delivering precise, smooth holes for tough stainless steel tasks.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Why Are Fully Ground HSS Drill Bits Popular for Professional Users?
Precision grinding improves cutting accuracy, hole quality, and drilling efficiency for industrial markets.
Want Drill Bits That Help Build Your Own Brand?
Custom logo, size marking, and packaging options support OEM and private label development.
Are Your Customers Asking for Better Metal Drilling Performance?
HSS twist drill bits are designed for steel, aluminum, copper, plastic, and general workshop drilling.
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 Kind Of Drill Bits Are Best For Drilling Through Steel?
Premium HSS cobalt and titanium coated drill bits are the ideal choice for clean and efficient regular steel drilling.
What Drill Bit Should I Use On Structural Steel?
M35 HSS cobalt drill bits work perfectly for structural steel, offering great durability and heat resistance for heavy use.
What Is The Toughest Drill Bit For Steel?
M42 cobalt HSS and solid carbide drill bits rank as the toughest options for all types of hard steel materials.
Do You Drill Fast Or Slow Through Steel?
Drill steel at low to medium speed with steady light pressure to avoid overheating and premature bit dulling.
Are Cobalt Or Titanium Drill Bits Better For Steel?
Cobalt drill bits outperform titanium coated bits for hard steel, while titanium HSS suits mild steel and general tasks.
What Drill Bit Will Go Through Hardened Steel?
High grade M42 cobalt HSS and carbide drill bits can easily penetrate tough hardened steel and heat-treated metal.
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We Purchase Drill Bits For Construction Steel For Steel Structure Site Construction. High Toughness HSS Material Resists Impact Drilling On Thick Construction Steel, Does Not Break Or Bend Under Frequent Heavy-Duty Use. Satisfied With Overall Quality, We Will Sign Annual Fixed Procurement Contract."
Liam Henderson
Auto Body Repair Workshop Manager
United Kingdom
"We Purchase Drill Bits For Construction Steel For Steel Structure Site Construction. High We Supply Construction Steel Drill Bits To Local Building Contractors And Decoration Teams. Accurate Size Tolerance Matches Common Construction Drilling Tools Perfectly, With Good Wear Resistance For Outdoor Site Working Conditions. We Trust This Supplier And Will Keep Long-Term Bulk Cooperation."
Giulia Bianchi
Automotive Hardware Importer
Italy
"Our Factory Relies On Drill Bits For Construction Steel For Profile Drilling And Assembly. Optimized Flute Design Discharges Steel Chips Fast, Reduces Overheating During Continuous Drilling. Punctual Delivery And Professional After-Sales Make Us Continue Long-Term Collaboration."
Ole Kristensen
Vehicle Modification Engineering Contractor
Norway
"We Purchase Drill Bits For Construction Steel For Steel Structure Site Construction. High Toughness HSS Material Resists Impact Drilling On Thick Construction Steel, Does Not Break Or Bend Under Frequent Heavy-Duty Use. Satisfied With Overall Quality, We Will Sign Annual Fixed Procurement Contract."
Liam Henderson
Auto Body Repair Workshop Manager
United Kingdom
"We Purchase Drill Bits For Construction Steel For Steel Structure Site Construction. High We Supply Construction Steel Drill Bits To Local Building Contractors And Decoration Teams. Accurate Size Tolerance Matches Common Construction Drilling Tools Perfectly, With Good Wear Resistance For Outdoor Site Working Conditions. We Trust This Supplier And Will Keep Long-Term Bulk Cooperation."
Giulia Bianchi
Automotive Hardware Importer
Italy
"Our Factory Relies On Drill Bits For Construction Steel For Profile Drilling And Assembly. Optimized Flute Design Discharges Steel Chips Fast, Reduces Overheating During Continuous Drilling. Punctual Delivery And Professional After-Sales Make Us Continue Long-Term Collaboration."
Ole Kristensen
Vehicle Modification Engineering Contractor
Norway
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