1. What are the types of drill bits according to their functions?
date:
2022-07-07
According to the function, the drill bit is divided into two types: the drill bit for full drilling (full diameter drill bit) and the drill bit for annular drilling (coring bit).
According to the function, the drill bit is divided into two types: the drill bit for full drilling (full diameter drill bit) and the drill bit for annular drilling (coring bit).
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