PRO Porcelain Diamond Drill Bit

1, Hot pressed sintered with high strength diamond grits for extra long life and sharp speedy cutting.
2, Ideal for porcelain, tile, and other stone ware drilling of 5 and 6 class hardness, especially glaze, sandstone, glazed sandstone, sandware, Terracota, marble, tiles upto 5th class with water feeding.
3, Holes Clean and without any splinter
4, Both dry cut and also a little water for a more effective drilling.