... , 102mm and so different degree Thread for example: R22, R25, R28, R32, R38, T38, T45, T51 etc.) Retrac Button bits with ... be according to customers requests. 5 Thread Drill RodR22, R25, R28, R32, R38, T38 etc, lenth can be designed according to ... requests. 7. Coupling with different thread for example R22, R25, R28, R32, R38, T38, T45, T51 etc8. Shank AdaptorsShank adaptors-carburized ...