Carbide spear point with sharpened edges for in applications such as glass, mirror and ceramic Cuts perfectly round holes without chipping or breaking the material. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill chuck. Set includes: 1/8", 3/16", 1/4" and 5/16" drills.
Carbide spear point with sharpened edges for in applications such as glass, mirror and ceramic Cuts perfectly round holes without chipping or breaking the material. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill chuck. Set includes: 1/8", 3/16", 1/4" and 5/16" drills.