Irwin Tools 4935108 1/4 Inch Multi Material Drill Bit

Drill bits feature diamond-ground, 4-facet carbide tips with sharp cutting edges Each drill bit drills through brick, block, tile, metal, wood, plastic and marble IRWIN drill bits can drill through multiple materials at once Designed for rotary drilling but are tough enough to be used with hammer drills Step drill bit provides centered starts with hardly any walking, fast drilling and excellent hole quality in a variety of materials, Weight: 0.07 pounds, Manufacturer: Irwin Tools