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Thread Button Top Hammer Drill Bits With Tungsten Carbide Material

Hunan New Diamond Construction Machinery Co., Ltd.
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Thread Button Top Hammer Drill Bits With Tungsten Carbide Material

Thread Button Top Hammer Drill Bits With Tungsten Carbide Material

Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have ...

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