Cle-Line Series CHK Electrician’s M42 Bi-Metal Hole Saw Kit-Metric 9PC 16mm,20mm,25mm,32mm,40mm,51mm

The M42 hole saw has a bi-metal M42 cobalt steel cutting edge. 4/6 variable teeth per inch which produces shock resistant teeth, reduces strippage, less vibration and cuts 30% faster than conventional hole saws. Thin kerf design for faster cutting and prolongs battery life when used on cordless tools. 1-7/8 (48mm) depth of cut, unless noted otherwise. 3/16″ (5mm) thick heavy-duty backing plate eliminates need for drive plate. Creates holes for pipe, tubing, door lock installations, electrical conduits and antennas. Ideal for plumbing, construction, aircraft, electrical, maintenance and automotive applications. Use in steel, aluminum, brass, cast iron, plastic and wood. Bi-Metal Construction- 8% Cobalt.