Max-Craft Bi-Metal Hole Saw 2-1 8inch -54mm- M42 Cobalt 8 Percent With Arbor and Pilot Center Drill Bit Heavy Duty Bi Metal Hole Cutter Cutting Holes in Steel Metal Wood Plastic Aluminum.

BI-METAL HOLE SAW SIZE: Bi-metal Hole Saws with HSS teeth are rugged cutting tools designed to cut accurate holes in machinable materials up to 38mm/44mm thick. Ranging in size from 14mm to 210mm in diameter, they can be uses in portable electric, air tools, drill presses, and lathes, boring mills, milling machines or any other machine, which has a rotating spindle. The HSS Teeth of our Bi-metal Hole Saws refer to the high speed steel of M42 for different application demands. Bi-metal Hole Saws have 4 or 6 TPI variable pitch tooth design and are recommended for cutting steel and cast iron pipe, steel plates, aluminum, copper, brass, stainless steel, wood and plastics, Furnished in standard size as listed and in handy assortments.