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3 kinds rock drill bits
USD $1,000 - $10,000
/ Piece
1000 Pieces(Min.Order)
- 20000 Piece / Pieces per Month
- Qingdao
- T/T Credit Card
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Product Details
| Place of Origin: | Henan, China | Brand Name: | Henan zhongmei | Model Number: | 28mm |
Product Description
Specifications
rock drill bit mainly used in coal mine drilling for roof bolting.We do different measures according to customer's requirementsrock drill bit mainly used in coal and mine drilling.We can do different measures according to customer's requirements or drawing
type one
| Colliery Tools | Main Standard(mm) | |||
| D | H | L | M | |
| 27 | 44 | 17 | M14×1.5 | |
| 27 | 54 | 17 | M12×1.75 | |
| Thread | 28 | 54 | 20 | M12×1.75 |
| joint | 29 | 52 | 18 | M14×1.5 |
| 30 | 50 | 18 | M14×1.5 | |
| 32 | 52 | 22 | M14×1.5 | |
| 32 | 56 | 22 | M12×1.75 |
type 2
| Colliery Tools | Main Standard(mm) | |
| D | M | |
| Thread Joint | 38 | 12 |
| 40 | 12 | |
| 42 | 12 |
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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