Lenox Speed Slot 2-1/2 in. Dia. x 1.5 in. L Bi-Metal Hole Saw 1/2 in. 1 pc.

2-1/2 inch hole saw. M2 high-speed steel cutting edge welded to a shatter-resistant spring steel back. Cuts up to 1-5/8 inch deep. 4/6 vari-tooth design for aggressive cutting action and reduced vibration. 3/16 inch thick heavy-duty backing plate is more durable than stamped backing cups and eliminates need for torque driving plate. Use for heavy-duty cutting in stainless and mild steel cast-iron copper brass aluminum plastics wood and composition board.