Marble Holesaw Opener Bits

The hole saw can be used on table drills, hand drills and drilling machines but not on impact drills Suitable for all kinds of stone, ceramics, vitrified brick, glass, etc. You should always add water to cool down the holes Advanced powder platinum production technology with vacuum sintering, greatly increasing the service life The segmented design of the drill bit has a small cutting resistance and is good for chip removal. Universal triangular drill shank can effectively prevent slipping during drilling and withstands greater torsion