Hole Saw 1 7/8"

High speed steel edge welded to alloy steel back for heavy duty cutting. Variable teeth pattern 4/6 TPI for safe and efficient cutting. Cutting depth is 1 7/8". For use on sheet metal, nail embedded wood, hardwood, floors, plywood and plastics. For use in portable electric drills, pneumatic tools and drill presses. Thick, heavy duty backing plate. Electron beam welded. HSS teeth, Bi-Metal hole saw without mandrel. Note: Does NOT Include Mandrel