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Abrasion Resistance Borewell Drilling Bits , Drill Bits For Hammer Drill

Hunan New Diamond Construction Machinery Co., Ltd.
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Abrasion Resistance Borewell Drilling Bits , Drill Bits For Hammer Drill

Abrasion Resistance Borewell Drilling Bits , Drill Bits For Hammer Drill

Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. use high quality alloy steel, good wear resistance. 2. under high temperature condition, it has high hardness, ...

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carbide button bits

      

retrac button bit

      
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