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| Name︰ | Concave three wings Drill Bit |
| Model No.︰ | FWN3J |
| Brand Name︰ | JINSHUO |
| Country of Origin︰ | China |
| Unit Price︰ | CNY ¥ 2200 / pc |
| Minimum Order︰ | 100 pc |
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| With good adaptability while drilling in complex rock formation,good stability.the bit is a idea tool for drilling normal hole. |
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