Tapered Button bits, Retrac Button Bits, Rock tools, Rock drilling tools, drilling bits, Coupling, Shank Adaptors, Crossover Coupling, drifting rods, Tapered Rod integral drill steel, Retrac X-type bits, Cross Bits,high pressure drilling tools, DTH Hammers, DTH Bits, Reaming bits, mineral pick cutter, chisel bits, tapered drill bits We have our own special steel factory, we supply the material for rock drilling tools, so the quality is good, but the price is low. Computer controlled heat treatment More experiences in exporting with leading quality Tapered button bits (28mm, 30mm 32mm, 34mm, 36mm, 40mm, 42mm, 44mm and so on with different degree taper) Tapered Rod (Rod 19mm, 22mm, 25mm; Shank hex. 19mm, 22mm, 25mm) Integral Drill rods( Chisel Bit integral. Rod 19mm, 22mm; Shank hex. 19mm, 22mm) Thread Button Bits (33mm, 35mm, 45mm ,51mm,57mm,64mm,70mm,76mm, 89mm, 102mm ,115mm,127mm and so different degree Thread for example: R22, R25, R28, R32, R38, T38, T45, T51 etc.) Drifter Rod ( Hex.32mm, 35mm, 38mm; Round 32mm, 38mm, 45mm, 51mm) Retrac Button bits with different Thread different diameters. (51mm, 64mm,70mm,76mm,89mm,102mm,115mm, 127mm.) Down the hole drilling(drill bits, hammers, spare parts, drill tubes) Buttons type :Spherical, Ballistic