Product description In DTH drilling, the drill string rotates while the drilling hammer continuously strikes down into the rock. Inside the hammer, a piston powered by compressed air gives the drill bit its ... Read More
High Air Pressure Convex Face Ballistic button Black SD8 8'DTH Bit For Mining Product Introduce We can produce DTH hammers & bits from size 2' to 18' with shank QL,SD,DHD,MISSION and Numa series,which has great ... Read More
Product description In DTH drilling, the drill string rotates while the drilling hammer continuously strikes down into the rock. Inside the hammer, a piston powered by compressed air gives the drill bit its ... Read More