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Precision Twist Drill Bits
Controlled geometry helps deliver cleaner holes for buyers focused on dimensional accuracy.
Suitable for tool ranges mold shops, serving machinists, and industrial maintenance teams.
Consistent flute design supports smoother chip flow in detailed metal drilling applications.
Helps wholesalers offer a higher-value option for accuracy-sensitive metal users and workshops.
Works well for repeat orders where consistent hole quality improves buyer trust.
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 Precision Twist Drill Bits
- Tolerance Level Customization: Select tighter diameter control
- Precision Ground Process: Split point, regular point, or pilot point
- Point Design Options: Split point, regular point, or pilot point
- Professional Marking Support: Logo, size, standard, and material marking
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Steel Pipe
- •These precision twist drill bits feature rigid structure and sharp cutting edges. They drill steel pipes steadily with low vibration, fast chip evacuation reduces heat. It produces accurate round holes, reliable for pipeline construction and daily metal pipe processing.
Drilling Wood
- •Well-polished spiral flutes clear wood shavings quickly without clogging. The precise tip avoids wood splintering and breakage. It achieves smooth clean holes effortlessly, perfect for various household and industrial woodworking uses.
Drilling PVC
- •Delicate cutting design drills PVC softly without cracking or deformation. Low drilling resistance ensures smooth running operation. It makes neat burr-free holes, widely applicable for plastic pipes, profiles and daily PVC machining work.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Are Your Customers Drilling Hard Metal Materials?
Cobalt drill bits offer better resistance to heat and wear under tough drilling conditions.
Want Drill Bits That Support Your Brand Growth?
Custom packaging and logo marking help turn factory products into your own branded line.
Looking for Drill Bits for Maintenance Departments?
Durable HSS twist drill bits are suitable for repair, installation, and daily maintenance work.
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 Is A Twist Drill Bit?
It is a common spiral fluted drilling tool widely applied for making standard round holes.
How Are Twist Drill Bits Made?
They are forged, milled, heat-treated and surface coated from high-quality steel raw materials.
How to Sharpen A Twist Drill Bit?
Polish the cutting edge evenly with a grinder, keep correct angle and avoid uneven grinding.
What Is A Hss Twist Drill Bit Used for?
HSS twist bits fit drilling metal, wood and plastic with good heat resistance and sharp cutting effect.
What Are The Disadvantages of A Twist Drill?
It is not good for large hole expanding, easy to overheat and wears fast when drilling extra hard metal.
Can I Use A Twist Diamond Drill Bit on Stone?
Yes, diamond twist drill bits can drill stone, tile and concrete smoothly for wall installation work.
Need a Quotation?
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We customize precision twist drill bits for miniature hardware part machining. Strict diameter tolerance reaches industrial high standard, ensures assembly accuracy of small precision components. Uniform spiral pitch guarantees smooth chip discharge all the way."
Erik Nilsson
Senior Technical Director
Sweden
"We distribute high precision twist drill bits for laboratory equipment and electronic accessory processing. Fine grinding cutting edge achieves smooth hole wall without extra finishing process. Stable batch dimension consistency meets high-end client demands."
Elena Rossi
Brand Development Manager
Italy
"Our workshop applies precision metal twist drill bits for mold auxiliary hole positioning drilling. Centering performance is excellent, hardly produces hole offset during low-speed precise drilling. Professional technical matching service lets us deepen cooperative depth continuously."
David Miller
Procurement Specialist
Australia
"We customize precision twist drill bits for miniature hardware part machining. Strict diameter tolerance reaches industrial high standard, ensures assembly accuracy of small precision components. Uniform spiral pitch guarantees smooth chip discharge all the way."
Erik Nilsson
Senior Technical Director
Sweden
"We distribute high precision twist drill bits for laboratory equipment and electronic accessory processing. Fine grinding cutting edge achieves smooth hole wall without extra finishing process. Stable batch dimension consistency meets high-end client demands."
Elena Rossi
Brand Development Manager
Italy
"Our workshop applies precision metal twist drill bits for mold auxiliary hole positioning drilling. Centering performance is excellent, hardly produces hole offset during low-speed precise drilling. Professional technical matching service lets us deepen cooperative depth continuously."
David Miller
Procurement Specialist
Australia
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