Thread button bits are mainly used with hydraulic rock drills (or pneumatic rock drills) and hydraulic drill rods (air drill rods). The drills are drilled by different types of threads and the drill rods. ¢32-¢203mm, mainly used in the mining of underground mines, the mining of open pit mines, the opening of blast furnaces in steel mills, etc.
Tapered button bits,It is mainly used as a kind of drill bit used with pneumatic rock drill and taper rod. It is connected with taper and drill rod for punching operation. It is mainly used in secondary crushing of mines, support of bolts, tunneling of roadways and so on.
Thread button bits mainly size:R25-38、R28-45、R32-64、R38-76、T38-64、T45-89、T51-102
Tapered button bits mainly size:30、32、34、36、38、40、42mm
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