Bi-Metal Hole Saw with 1-5/8 In cutting depth allowing cutting on 2×4 studs. Extra-thick backplate minimuzes vibration for smoother, easier cutting. Holesaw Kit cuts through steel, tin, aluminum, fiberglass, wood and plastic Deep 1-5/8 In cut to go through wood studs Extra-tough bi-metal blade made of highest grade tool steel Steam oxide finish for cooler running saw Extra-thick backplate minimizes vibration
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