The Olympic Fixings 090-202-025 20mm Tradesman Bi-Metal HSS Holesaw Blade is made from premium quality steel.Bi-metal design.M42 HSS cutting teeth.4/6 TPI variable tooth pattern.38mm (1 1/2″0 cutting depth.Fully interchangeable with most other brands.Seperate arbor.Can be used with most metal, plywood, wood, pipe and plastics as hole cutter.
