Efficient bit

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Brief Introduction 1. Quality guaranteed 2.easy to use 3.best price Detail Introduction Efficient bit 1. Efficient combination drill used with high efficiency spiral drill pipe, drill bit matrix is made of high quality alloy steel, carbide cutter adopts imported materials used 2. Filtered through the advanced technology of alloy powder, gives the hardness and strength and wear resistance increase at the same time, effective drilling and distance to the efficient composite bit drilling depth provides a powerful guarantee

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jining hengwang mining machinery co.ltd

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