Diamond Drill Bits 50mm Large Chip Removal Port Brazed Hole Saw Kit for Glass Porcelain Tile Marble

1、Opening is neat smooth without broken edges low cutting resistance fast opening speed and easy chip removal. 2、Special opening design low cutting resistance large chip removal port design especially conducive to chip removal. 3、Large torsion high bearing capacity effectively prevent slippage clamping is more stable not easy to break the handle and improve work efficiency. 4、Can be used to drill hard and brittle materials for glass porcelain tile stone floor tile marble etc. 5、Each hole is treated with smooth and accurate appearance treatment achieve excellent cutting strength.