Description of π Diamond Coated Ceramic Marble by JINGLING
Product Name: 63mm Diamond tip drill bit, 63 mm Glass hole saw bit, 2.5β Glass drill bit. Suitable for use in drill hole on glass, tile, ceramic, stone, marble or granite. Hole Diameter: 63mm (2-1/2β); Shank Diameter: 10mm (3/8"); Total Length: 55mm. Start drill at 45 degree to surface and align to 90 Degree as hole forms. The hole does not need further work because the cut is clean.