China manufacturer hard roack geological drilling impregnated nq diamond core drill bits
| Place of Origin | Shandong |
| Certification | ISO，CE |
| Min.Order Quantity | 1 pcs |
| Price | US $ 6-200 / Piece |
| Payment Terms | D/A,MoneyGram |
Product Details
| Place of Origin | Hebei, China |
| Type | Center Drill Bit |
| Use | Well Drilling, Well Drilling |
| Material | Tungsten Carbide |
| wob | 23-75kn |
| RPM | 60-500 |
| gage length | 1mm |
| guarantee period | 3-4 years |
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