Century Drill And Tool Hole Saw 4-1/2″ Bi-Metal Shark Tooth Size:4-1/2″ QO circuit breakers are UL

QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555

easier installations

The open-back blade is narrow to dig into tight places

Mpr rating 1500

Century Drill And Tool Hole Saw 4-1/2″ Bi-Metal Shark Tooth Size:4-1/2″ QO circuit breakers are ULProfessional bi metal saws with 8% cobalt high speed steel teeth, electron welded to shatterproof, shock absorbing alloy bodies. Variable pitch tooth pattern cuts clean through stainless steel, brass, aluminum, pipe steel, nail embedded wood, hardwood, plywood, sheet metal, fiberglass and plastic. Suggested speed RPMs are for cutting mild steel. Decrease RPMs by 30% for cast iron. Increase RPMs by 30% for brass and aluminum. Hole saws are shipped