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| Surface Set Natural Diamond Drill Bit |
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| Brand Name︰ | JINSHUO |
| Country of Origin︰ | China |
| Unit Price︰ | CNY ¥ 4800 / pc |
| Minimum Order︰ | 50 pc |
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| Natural diamond grains set in the surface of matrix.with a high drilling efficiency and giving long service life in the overall hard formation.Outer diameter(mm):50-250 |
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