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coal drill bit for coal and mine drilling
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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 Chat Now
- Phone86-371-13255921607
- AddressJindai Industrial Zone, Guancheng District, Kaifeng, Henan
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