... , MACH40, MACH50, MACH60 etc4 Tapered Drill RodShank h22x108mm, (6, 7, 11, 12 degree taper) , Length can be according to customers requests. 5 ... , 30mm, 32mm, 34mm, Length can be according to customers requests. 7. Coupling with different thread for example R22, R25, R28, R32 ...