... , 11, 12 degree taper) , Length can be according to customers requests. 5 Thread Drill RodR22, R25, R28, R32, R38, T38 etc, lenth ... can be designed according to customers reqeusts. 6. Intergral ... requests. 7. Coupling with different thread for example R22, R25, R28, R32, R38, T38, T45, T51 etc8. Shank AdaptorsShank adaptors- ...