Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity
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Alloy Steel Button Drill Bit , Professional DHD 340-150mm Rock Drill Bits
| General Introduction |
Carbide Button Shape Selection:
1. Semi-Ballistic Buttons
2. Ballistic Button
3. Spherical Button
4. Two-step Button
| Raw Material |
Steel:
First class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
| Specification |
1.Steel Carbide
2.12 years experience
3.Can match to the original bit shank
4.Atlas quality
| Process |