For heavy duty cutting in all woods, plastics, composite materials and metal. The super-hard high speed steel cutting edge lasts 5 times longer than standard hole saws.
Features:- Fits mandrel # 18502, 18503, 18405, 18408 & 18409
- Used by electricians, plumbers, mechanics and other heavy-duty users.
- Produces 1-5/8? depth of cut.
- Fits standard and plug ejecting mandrels.
- Precision-sharpened teeth for smooth, fast cuts.
Vermont American 18566 4-1/8" Bimetal Hole Saw 
