DTH bit(3"-32") The shank can be matched with different kinds of hammers: 1. COP hammer systerm(Cop34, Cop44, Cop54, Cop64, Cop84)2. DHD
DTH hammer(3"-32") TS series (TS180, TS220 , TS275 , TS330)-------Drilling tools for deep holeand super deep hole drilling TG series(TG3.5,
Button bit Our Button Bits are assembled from the highest quality components, produced to a rigidly maintained specification and su
Concentric casing drilling systerm Outstanding advantage: The most outstanding advantages are the stable and reliable working performance and the less vibr
