Bi-metal hole saw 16 mm

Bi-metal hole saw 16 mm, height 56 mm, drilling depth 38 mm, suitable for metal, steel/Inox, cast iron, brass, aluminum, wood, thread: 1/2” x 20 UNF, made of HSS high-speed steel, for use with 56T753 pilot drill adapter for bi-metal hole saws 14-30 mm, Hex, diameter: 16 mm, max rotation speed: steel: 550 rpm, stainless steel: 275 rpm, aluminum: 825 rpm, wood: 760 rpm, cast iron: 365 rpm, brass: 730 rpm