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HSS Step-Point Twist Drill Bits
Premium M35 Cobalt Steel Construction Delivers Superior Heat & Wear Resistance For Hard Metal Drilling
Stepped Point Design Prevents Walking, Ensuring Accurate Hole Starts And Clean, Precise Drilling
Three Flat Shank Provides Secure Chuck Grip, Eliminating Slippage During High-Torque Applications
Gold Oxide Coating Reduces Friction And Heat Buildup, Extending Tool Life In Tough Materials
Fully CNC Precision Ground & DIN338 Standard, Ensuring Consistent Quality And Drilling Performance
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 HSS Step-Point Twist Drill Bits
- Material Options (M35, M2, M42) Are Available
- Wide Size Range From 3mm To 13mm (Jobber Length 1/8" To 1/2")
- OEM/ODM Services Including Custom Logo Marking And Private Labeling Are Supported For Branded Product Lines
Application Notes
Discover the versatile applications and material compatibility of our products
Drilling Aluminum
- •HSS Step-Point Twist Drill Bits deliver smooth, burr-free drilling on aluminum. Sharp spiral flutes clear chips fast, reduce friction and heat. Precise step-point design ensures accurate positioning, no slipping, ideal for quick clean hole making.
Drilling Stainless Stee
- •Engineered for tough stainless steel drilling, these HSS bits feature high hardness and wear resistance. Special cutting geometry lowers torque, resists overheating. Stable penetration keeps holes round, extends service life for hard metal work.
Drilling Iron
- •Perfect for drilling iron material, the twist drill bits boast strong cutting power. Optimized flute design efficiently discharges iron scraps, avoids clogging. Durable HSS body maintains sharpness, enables steady, effortless hole drilling long-term.
Real Factory & Application Videos
Watch real manufacturing and field applications to verify quality, performance, and supply capability
Tired of dull drill bits that can’t cut metal smoothly?
These twist drill bits feature ultra-sharp cutting edges for fast penetration.
Still struggling with broken drill bits during daily drilling?
High-quality steel construction ensures outstanding hardness and durability.
Want durable twist drill bits for stainless steel and aluminum?
Optimized flute design efficiently removes chips and prevents clogging.
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 |
|---|---|---|---|
| 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 |
Frequently Asked Questions
Everything you need to know about our products, customization options, and ordering process.
What Is The Difference Between A Step Point Drill Bit And A Twist Bit?
Step point bits feature graded stepped design for reaming and chamfering, while twist bits focus on deep single-size straight hole drilling.
What Are Step Point Drill Bits Used For?
Step point drill bits are ideal for positioning, hole expanding and deburring on sheet metal, plastic and thin alloy plates.
How To Sharpen Step Point Drill Bits?
Pick based on drilling material, required hole diameter range, flute type and shank specification to fit your power tools.
How To Choose A Step Point Drill Bit?
Gold drill bits perform better on hard metals, while black drill bits are more cost-effective for daily general drilling tasks.
Are Step Drills Spiral Or Straight?
Step drills are available in both spiral flute for fast chip removal and straight flute for rigid stable cutting performance.
What Is The Best Speed For Drilling With A Step Point Drill Bit?
Run low speed for hard metal, medium speed for aluminum alloy, and proper higher speed for plastic and thin non-metal sheets.
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Trusted by businesses worldwide
See what our global partners say about our premium drilling tools and cutting solutions.
"We use HSS step-point twist drill bits for precision small metal component processing. Step-point positioning prevents slipping, ensuring every hole has accurate position and depth. Batch consistency is excellent, we hope to maintain stable long-term cooperation."
Michele Moretti
Precision Parts Factory Manager
Italy
"Our European e-commerce store sells step-point twist drill bits with high repurchase rates. The integrated step-point and twist flute design fits DIY users and small workshops perfectly. Quality control is strict, we will continue large-volume restocking seasonally."
Chloe Dubois
Online Industrial Tools Seller
France
"Our shipyard uses HSS step-point twist drill bits for metal structure drilling. It owns strong anti-break performance and stable penetration for both thick steel and thin sheets. Reliable delivery and professional support make us want permanent partnership."
Kevin Miller
Shipyard Engineering Procurement
Australia
"We use HSS step-point twist drill bits for precision small metal component processing. Step-point positioning prevents slipping, ensuring every hole has accurate position and depth. Batch consistency is excellent, we hope to maintain stable long-term cooperation."
Michele Moretti
Precision Parts Factory Manager
Italy
"Our European e-commerce store sells step-point twist drill bits with high repurchase rates. The integrated step-point and twist flute design fits DIY users and small workshops perfectly. Quality control is strict, we will continue large-volume restocking seasonally."
Chloe Dubois
Online Industrial Tools Seller
France
"Our shipyard uses HSS step-point twist drill bits for metal structure drilling. It owns strong anti-break performance and stable penetration for both thick steel and thin sheets. Reliable delivery and professional support make us want permanent partnership."
Kevin Miller
Shipyard Engineering Procurement
Australia
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