3 Wings PDC Bits Specialized for Coal Mining & Stonework ApplicationsPDC drill bit is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard and durable from diamond, but also has the advantages of high impact resistance and big blade

Betslink T38 T45 Thread Retrac Tungsten Carbide Rock Drill Button Bits Our thread button bits are made with high quality of best quality alloy steel bar and tungsten carbides with superior wear resistance and impact toughness superior, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.