- Zhengzhou Newsky International Co.,ltd.
-
Rizhao, Shandong, China
- Main products: diamond drilling bits, pdc drill bits, drill rods, human hair weaves, prebonded hair extension
Home > Products > New product > Coal Drill Bit
Coal Drill Bit
- T/T L/C D/P D/A
- 7 days
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Product Description
Specification:
Material: High manganese steel
Processing type: Forging
Use: Coal mining
ISO 9001:2008
Specializes in producing and exporting all kind of drill tools
Low price and supreme quality
Carbide coal drill bit .
Coal drill bit/ coal bit:
Applications: Apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.
Characteristics:
1. High wear resistance and impact-resistance toughness.
2. To repeat repair & gleaning 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 be reduced.
5. Rock formation to be suitable t: F=4-12
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
- Zhengzhou Newsky International Co.,ltd.
- Contact nameMs grace yu Chat Now
- Phone86-371-63975969
- Addresswenhua road, Rizhao, Shandong
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