1. Specifications
Size Range
- 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
Material Options
- 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
Coating Options
- Uncoated
- Black oxide
- TiN (Gold)
- TiAlN (Black-purple)
- Amber / Bronze coating
2. Technical Parameters
| Parameter | Description |
|---|
| Point Angle | 118° / 135° optional |
| Helix Angle | 25°–32° (standard) |
| Tolerance | h8–h9 |
| Hardness | 62–67 HRC (depending on material) |
| Flute Type | Spiral twist |
| Surface Roughness | Ra < 0.4 |
| Tip Type | Split point / standard |
3. Advantages
1. High hardness, strong durability
HSS materials provide excellent toughness and wear resistance.
2. Sharp cutting edges
Precision-ground flutes ensure smooth and fast drilling.
3. Good heat resistance
Drills can withstand high temperatures during continuous cutting.
4. Smooth chip removal
Optimized spiral angle reduces friction and prevents chip blocking.
5. Wide material compatibility
Suitable for metal, wood, and plastic.
6. Multiple material & coating options
Meet different customer needs—from hobby users to industrial
factories.
7. Factory-direct supply
Stable quality, consistent tolerance control, competitive prices.
4. Applications
Metalworking
- Carbon steel
- Alloy steel
- Cast iron
- Stainless steel(M35/M42 recommended)
Woodworking
- Softwood
- Hardwood
- Composite boards
Other Materials
- Aluminum
- Copper
- Brass
- Plastics
- PVC
- Acrylic
Usage Scenarios
- CNC machines
- Drill press
- Hand drills
- Manufacturing workshops
- DIY and home use
- Industrial production
- Hardware distribution
Company Profile
About US
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.
FAQ
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.
