Home > Products > coal mine roof bolt & mining roof bolts > Auger Coal and mining Drill Bits from China manufacture
Auger Coal and mining Drill Bits from China manufacture
- 20000 Piece / Pieces per Month
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- T/T Credit Card
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Product Details
Place of Origin: | Henan, China | Brand Name: | ZM | Model Number: | made-to-order |
Type: | Other, Center Drill Bit, Drill Bit | Machine Type: | Drilling Tool | Certification: | Other, ISO9001 |
Material: | Other, Tungsten Carbide, High Manganese Steel | Processing Type: | Forging | Use: | Other, oal mine/ water well/ oil field drill bit |
Product Description
coal drill bit/coal bit
Applications: Apply to the ancher-network support hole drilling in coal mine, hydraulic project,etc.
Characteristics:
1. High wear resistance and impact-resistanct toughness;
2 to repeat repair &greaning are not necessary; long drill life;
3 high efficiency could be promoted sharply in penetration of high-medium hard rock formation;
4 labour intensity could could be reduced.
5 Rock formation to be suitable t: f=4--12
3 wings; 2 wings ;
Product Description
The coal bits mainly used in coal and mine drilling.
We can do different measures according to customer's requirements.
Colliery Drilling Tools | Main Standard(mm) | |||
D | H | L | M | |
Thread joint | 27 | 44 | 17 | M14×1.5 |
27 | 54 | 17 | M12×1.75 | |
28 | 54 | 20 | M12×1.75 | |
29 | 52 | 18 | M14×1.5 | |
30 | 50 | 18 | M14×1.5 | |
32 | 52 | 22 | M14×1.5 | |
32 | 56 | 22 | M12×1.75 |
Contact Us
- Henan Zhongmei Drill Tool Co., Ltd.
- Contact nameAndy Wang
- Phone86-371-13255921607
- AddressJindai Industrial Zone, Guancheng District Zhengzhou,Henan
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