This replacement hole cutter pilot bit cuts quick, precise holes in a variety of materials. Smooth start bit provides greater control. The replacement bit works with Klein carbide hole cutter products. Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16 In (5 mm) thick Split point pilot drill bit prevents bit walking Integrated flange prevents the operator from drilling beyond the sheet metal Split point pilot drill bit (118 deg) and integrated flange