When drilling ultra-hard, low-abrasiveness rock like granite, gneiss, or basalt, tool life is everything. The spherical button rock drill bit is engineered to withstand massive compressive forces and ...
In quarries and open-pit mines, drilling speed = money. When the rock is medium-hard and highly abrasive—like quartz-rich sandstone or ironstone—the ballistic button rock drill bit is unmatched for ...