Century Drill And Tool Hole Saw 3-1/8″ Bi-Metal Shark Tooth Size:3-1/8″ Note: Per UL2158A only ducts

Note: Per UL2158A only ducts 8’ or less can be UL marked

Use caution when walking on surface when moisture is present

Includes a 12 In

while the built-in handle makes for easy carrying

and solid surface finishing

Century Drill And Tool Hole Saw 3-1/8″ Bi-Metal Shark Tooth Size:3-1/8″ Note: Per UL2158A only ductsProfessional 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