Century Drill And Tool Hole Saw 3-1/2″ Bi-Metal Shark Tooth Granite Ware 6 Ply Construction

6 Ply Construction

3-3/8' center-to-center inlets

NPT Discharge for compliance with building codes

Excellent freeze/thaw

Century Drill And Tool Hole Saw 3-1/2″ Bi-Metal Shark Tooth Granite Ware 6 Ply ConstructionProfessional 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