T38-76 Threaded bit - Rock drilling tools | Button bits ...
Rock drilling tools factory ProDrill manufactures rock drill bits: T38 Threaded Button Bits is the most important size for benching and long-hole drilling underground. We will choose to use tungsten carbide of T6,featuring good wear-resistance and toughness. This type of carbide has already been proved to be the best in world and been competing ...
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