... Bits, Rock tools, Rock drilling tools, drilling bits, Coupling, Shank Adaptors, Crossover Coupling, drifting rods, Tapered Rod integral drill steel ... , 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 , ...