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Dth bits(down the hole bits) :
From size 115mm, to 600mm, The shank can be designed according to different hammer, for example: DHD Hammers series (DHD340, DHD350, DHD360, DHD380 ets. ) , Cop Hammers series (Cop34, Cop44, Cop54, Cop64 etc. ) , SD hammer series(SD5, SD6, SD8) , Mach hammer series (MACH30, MACH40, MACH50, MACH60 etc) , Surface can be Flat and convex and others according to different Rock.
meanwhile, we can make them according to customers reqeusts.