Bi-metal hole saw 83 mm

Bi-metal hole saw 83 mm, height 44 mm, drilling depth: 38 mm, application: metal, steel/Inox, cast iron, brass, aluminum, wood, thread: 5/8” x 18 UNF, made of HSS high-speed steel, for use with 56T754 adapter with pilot drill for bi-metal hole saws 32-152 mm, Hex, diameter: 83 mm, max rotation speed: steel: 105 rpm, steel Inox: 50 rpm, aluminum: 155 rpm, wood: 140 rpm, cast iron: 70 rpm, brass: 140 rpm