... ,threaded,tapered,drilling tools,drill bit,drill bits,rock drilling tools 1. Button bits: Tapered button bits (28mm, 30mm 32mm, 34mm, 36mm, ... , 44mm and so on with different degree taper) Thread Button Bits (33mm, 35mm, 45mm to 89mm, 102mm and so different ... DHD360, DHD380 ets. ) , Cop Hammers series (Cop34, Cop44, Cop54 etc.) , HD hammer series, Mach hammer series (MACH30, MACH40, MACH50, MACH60 etc ...