Greenlee Textron - Greenlee 825-3-3/8 Holesaw Variable Pitch (3 3/8")

Bi-metal Hole Saw. 3-5/8" actual hole size. Cut through steel, tin, aluminum, fiberglass, wood and plastic. Deep 1-5/8" (41.3 mm) cutting depth allows for cutting through 2" x 4" wood studs. Extra-tough bi-metal blade. We use the highest grade of tool steel to outlast competitor's blades, that beats premature saw replacement and saves you money. Steam oxide finish, no paint to gum up and slow cutting. The saw runs cooler for longer life and better performance. Extra-thick backplate minimizes vibration for smoother, easier, less tiring cutting. Made in USA. 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. - 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