Description Cross type bit with steel inserts using H25 thread system. It has a slow penetration rate but it produces a very straight drill hole. Steel inserts Widely used in dimensional stone industry, ... Read More
R25 6 Degree 3.5" Shank High Strength Alloy Steel Reaming Button Bit Description Reaming bits were widely used in quarrying or mining for blast hole drilling, with pilot adaptors, the drilling direction can be ... Read More