For easy drilling to make holes on marble and granite. 5/8”-11or M14 female thread, 1/2 gas and 3/8” shank available.
Vacuum Brazed diamond core drill bits in China.
Manufacturers and suppliers of Professional diamond tools such as diamond cutting discs,diamond router bits,diamond milling wheels,diamond core drill bits,diamond files,diamond mounted points,diamond hole saws,diamond polishing pads,diamond&CBN tools in China