DTH Drill String

DTH drill string consists of rotary unit,   drill pipe, crossover sub, hammer and bit.    DTH drill bit is the one who strikes and crushes the rock directly by the force of

piston inside the hammer.  

TF DRILLS supplies a full range of BR shank bits includes BR1, BR2, BR3 with the diameters from 64mm to 105mm.   All our bits are produced by premium material and advnaced technology.