Blue Boar TCT Metal Pro 7/8" (22mm) tungsten carbide hole cutter. Up to 5/16" thick stainless steel, sheet metal, cast iron, aluminum, copper, brass, steel plate, fiberglass, FRP. More holes per dollar than high speed steel or bi-metal hole saws
Unique 5/8"-18 thread mount for use with supplied 7/16" shank or with standard hole saw arbors, extensions, and quick release adapters. ****Blue Boar Metal Pro TCT hole cutters can be used with the Hole Pro XL Dust Shield and Hole Pro XL Arbor Adapter to contain 100% of metal shavings and provide environmental control in hospital, clean room, and manufacturing facilities. Shields can be used with Hole Pro vacuum adapter and attached to HEPA vacuums.****Tungsten Carbide teeth for longer life than high speed steel hole cutters and bi-metal hole saws and more holes per dollar. Cut steel plate, iron, aluminum, copper, cast iron, stainless steel, fiberglass, FRP, PVC, and other hard materials.****The perfect hole cutter for the professional electrician, plumber, mechanic, and heating and refrigeration contractors needing to quickly cut holes in electrical boxes, metal studs, electrical appliances, lighting fixtures, auto and truck body parts. When it comes to performance, durability, and value, nothing beats the Blue Boar Metal Pro high performance tungsten carbide hole cutters. ****Hole Pro XL Dust Shield and Hole Pro XL Arbor Adapter (HP1168-71) NOT INCLUDED