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Besharp Diamond Co.,LTD.

Free member Since 2010

Henan, China

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  3. PDC pillar drill bit

Name:PDC pillar drill bit Type:ZD-A-101 Diameter:60,75,94,113,133mm Thread Size:NW or API REG Grade:Normal,Enforced High abrasion resistance ,Good drilling efficiency Used for drilling gas drainage hole, drawing water hole, injected hole, blast...

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