Vulcan Glass And Tile Bit, 1/4 In Dia, 3-Flat Shank, Shear Point, Carbide Cutting Edge

Carbide spear point with sharpened edges for in applications such as glass, mirror and ceramic. Cuts ideally round holes without chipping or breaking the material. All sizes 3/16 in and larger have three flats on the shank for a better grip on the drill chuck.