Diamond Core Drill

One set Vacuum brazed diamond core bits with Box, professional quality. 7pcs products with box. Diameter 20mm 27mm 35mm 55mm 68mm Drill Bit; Diameter ...

Adapter: M14 male thread, 3/8 Hexagon Shank, total length 55MM, shank length 28MM. Aapter: M14 thread core bits can be fitted on hand drill or electri...