T51 Top Hammer Thread Rock Drilling Button Bit For Quarry ...
T51 Top Hammer Thread Rock Drilling Button Bit For Quarry And Mining. T51 Top Hammer Thread Rock Drilling Button Bit for Quarry and Mining The 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 ...