Greenlee Textron - Greenlee 825-4-3/4 4-3/4" Bi-Metal Hole Saw, 1-5/8" Deep

VARIABLE PITCH; DIAMETER 4-3/4 INCH; 1-5/8 INCH CUTTING DEPTH; 50 RPM FOR CAST IRON, 75 RPM FOR MILD STEEL, 95 RPM FOR ALUMINUM/BRASS SPEED RATING; STEAM TREATED BI-METAL, M42 COBALT TOOL STEEL BLADE MATERIAL; CUT MATERIAL FERROUS METAL, NON FERROUS METAL, NON METAL; GREENLEE[R] BRAND Features: 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 - Application: Bi-Metal Hole Saw with 1-5/8 In cutting depth allowing cutting on 2x4 studs. Extra-thick backplate minimuzes vibration for smoother, easier cutting.