• 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
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