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| Brand Name : | MIROC |
| Model Number : | Made-to-order |
| Certification : | ISO |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability : | 20000 pieces per month |
| Delivery Time : | 5-15 Working Days |
High Quality Pdc Anchor Drill Bits Coal Mining Drill Bits
Advantage:
1.coal mining tool,coal mine drill bit
2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001
Product Description:
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 & 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 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 | |


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