... ) 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 ... , R25, R28, R32, R38, T38, T45, T51 etc.) Drifter Rod ( Hex.32mm, 35mm, 38mm; Round 32mm, 38mm, 45mm, 51mm)Retrac Button ...