... HSS Bi-Metal HolesawHSS Bi Metal Hole Saw:Cutting steel and cast iron pipe, steel plates, aluminum, copper, brass. ... Usage: Used in portable electric, air tools, drill presses, and lathes, boring mills, milling machines or any other machine, which ... a rotating spindle Capacity: Recommended for cutting steel and cast iron pipe, steel plates, aluminum, copper, brass, stainless steel, wood and plastics.