Product Description
Extension drilling tools
Button bits, Drop centre button bits, Retrac button bits, Cross type bits and X-type bits.
tungsten carbide(Buttons):Spherical, ballistic and Conical.(Threaded R25,R28, R32,R38, T38, T45,T51,ST58,ED68 bit diameter: 41mm-127mm);
Couplings sleeves , Couping sleeve of different diameter (threaded R22,R25,R28,R32,R38,T38,T45,T51,ST58,ED68)
Shank adapters:carburized and manufactured with tight tolerances and controlled straightness.
Drill rods :Hex.rods , round rods ,Speed Hex.rods, Speed Round rods(threaded R22,R25,R28,R32,R38,T38,T45,T51,ST58,ED68)
