Main Products: PDC Bits ,Drill Pipe
PDC coal drill bolt/pdc mining drill bit
USD $1,000 - $10,000 /Piece
Min.Order:1000 Pieces
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Henan Zhongmei Drill Tool Co., Ltd.
Business Type: Manufacturer,Trading Company
Kaifeng Henan ChinaMain Products: PDC Bits ,Drill PipeProduct Details
The coal bit mainly used in coal mine drilling for roof bolting.We do different measures according to customer's requirements
The coal bits mainly used in coal and mine drilling.We can do different measures according to customer's requirement 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 |
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