Bi-Metal Hole Saw

M3/M42 bi-metal construction for heavy duty cutting:
Variable pitch teeth for faster, smoother cutting and less vibration
Longer lasting design for more cuts per saw
Multiple knock-out slots and holes for easy core removal
Cutting depth to 1-1/2"(38mm), 1-7/8"(47mm)
Diameters form 9/16"(14mm)to 8-17/64"(14-210mm)
Can be used in portable electric or pneumatic tools, vertical drill machines, lathe, boring/milling machines and other machine tools
Cuts through stainless steel and other materials pipe, nail-embedded wood, hard wood floors, plywood and plastics
Extra charge for the pilot and arbor