... R38, T38, T45, T51 etc.) Retrac Button bits with different Thread different diameters. 2. Dth bits: From 115mm, 120mm, to ... DHD350, DHD360, DHD380 ets. ) , Cop Hammers series (Cop34, Cop44, Cop54 etc.) , HD hammer series, Mach hammer series (MACH30, MACH40, MACH50, MACH60 etc) 3 ... degree taper) , Length can be according to customers requests. 5 Thread Drill RodR22, R25, R28, R32, R38, T38 etc, lenth ...