• 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
• Fits standard and plug ejecting mandrels
• Produces 1-5/8" depth of cut
• Used by electricians, plumbers, mechanics and other heavy-duty users
• Fits Mandrel Number: 18405, 18408, 18409, 18501, & 18502