Description

4-inch arbored hole saw has a cylindrical cup with serrated edge to cut a clean, symmetrical, and circular hole. M42 industrial steel with cobalt construction for cutting faster, smoother, and with reduced vibration due to the 4/6 variable pitched teeth. Cobalt in the teeth makes the teeth extra hard for use in the toughest applications. Use with a portable or stationary drill on wood, plastic, metal and Inox. Also includes one mandrel and one black oxide pilot drill bit.