Hole Opener 40mm Brazed Drill Bit Cutter Tool for Glass Ceramic Marble Stone Drilling

1、Adopting a large chip removal port design which is particularly beneficial for chip removal and can improve work efficiency. 2、The opening of this hole opener is neat smooth without broken edges and has low cutting resistance. 3、Using sophisticated production technology has excellent performance high bearing capacity and fast opening speed. 4、Has large torsion can effectively prevent slippage the clamping is more stable and the handle is not easy to break. 5、Can be used to drill hard and brittle materials such as glass ceramic tiles stone floor tiles marble etc.