HJG Thread Button Bit is made by the best quality alloysteel bar and tungsten caebide, through heat treatment to get a superior performance in the toughest rock drilling, and transmit intensive impact energy into the rock with least loss for energy.
Thread model available: R25,R28,R32,R38,T38,T45,T51,T60,ST58,GT60;
Thread button Bit skirt available: Regular Skirt; Retract Skirt;
Thread Button Bit face available: Falt face; Drop Centre face;
Thread Button Bit button shape available: (Hemi)Spherical; Ballstic; Conical
Thread Button Bit size available: 35mm-152mm.