Century Drill And Tool Hole Saw 4″ Bi-Metal Shark Tooth Size:4″ Fits 1/2″ iron pipe size/

Fits 1/2″ iron pipe size/ schedule 40 and 3/4″ copper tube size

Recessed receptacle minimizes plug protrution

20" steel head with rebar hook

Safety strap with quick-release buckle

Century Drill And Tool Hole Saw 4″ Bi-Metal Shark Tooth Size:4″ Fits 1/2″ iron pipe size/Professional 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