Premium HSS Twist Drill Bit for Metal & Wood

• Diameter: 1.0 mm – 20.0 mm
• Overall Length: 34 mm – 260 mm
• Shank:
  • Straight shank
  • Reduced shank (optional)
• Flute Length: Standard / jobber length / long series

• HSS 4241 – For general drilling
• HSS 4341 – Higher hardness
• HSS 6542 (M2) – Industrial-grade
• HSS M35 (5% cobalt) – For stainless steel
• HSS M42 (8% cobalt) – High hardness applications

• Uncoated
• Black oxide
• TiN (Gold)
• TiAlN (Black-purple)
• Amber / Bronze coating

HSS materials provide excellent toughness and wear resistance.

Precision-ground flutes ensure smooth and fast drilling.

Drills can withstand high temperatures during continuous cutting.

Optimized spiral angle reduces friction and prevents chip blocking.

Suitable for metal, wood, and plastic.

Meet different customer needs—from hobby users to industrial factories.

Stable quality, consistent tolerance control, competitive prices.

• Carbon steel
• Alloy steel
• Cast iron
• Stainless steel(M35/M42 recommended)

• Softwood
• Hardwood
• Composite boards

• Aluminum
• Copper
• Brass
• Plastics
• PVC
• Acrylic

• CNC machines
• Drill press
• Hand drills
• Manufacturing workshops
• DIY and home use
• Industrial production
• Hardware distribution

CHANGZHOU AMG PRECISION TOOL MANUFACTURING CO., LTD. specializes in producing tungsten solid carbide end mills, drill bits, reamers, TCT saw blades, and welded cutting tools for CNC machining. AMG Precision also designs and manufactures various types of customized carbide tools tailored to specific customer requirements.

Our company uses premium domestic and imported carbide rods, combined with advanced German manufacturing technology, to produce high-quality cutting tools. By integrating superior raw materials with precision-engineered equipment, AMG delivers reliable and consistent products that meet even the most demanding machining standards.

We sincerely welcome both new and existing customers to contact us for inquiries and cooperation opportunities. Let AMG provide the perfect cutting solution for your specific machining needs.

AMG is committed to enhancing productivity, reducing production costs, and solving complex cutting challenges with uncompromising machining quality. We proudly serve the manufacturing industry with innovative and high-performance cutting tool solutions designed to meet global industrial demands.

1.Are you factory or trading company?

Yes, we have factory. We are professional manufacturerwith 20 years of production experience. Besides, we also do some trading.

2. Is free shipping possible?

We don’t offer free shipping service, but we will give you some discount if you buy large qty products.

3.Can you send products to our Forwarder in China?

Yes, if you have forwarder in China, I will glad to send products to him/her.

4.Do you make OEM?

Yes, we do. We have laser machine, can laser your logo and sizes on the body of milling cutter, also can print labels.

5.How about the delivery time?

According to the sizes and quantity, delivery time is different. Usually 3~7days. We can tell you exact inventory state if you need.