... of ISO9001 in 1999. 1,We supply chisel bits.2,We are outstanding because of being ... DTH Bits, Reaming bits, mineral pick cutter, chisel bits, tapered drill bitsWe have our own special steel ... 25mm; Shank hex. 19mm, 22mm, 25mm)Integral Drill rods( Chisel Bit integral. Rod 19mm, 22mm; Shank hex. 19mm, 22mm ... R32, R38, T38, T45, T51 etc.) Drifter Rod ( Hex.32mm, 35mm, 38mm; Round 32mm, 38mm, 45mm, 51mm) ...