Hole Saw Kit HSS Bi-Metal HolesawHSS Bi Metal Hole Saw:Cutting steel ... pipe, steel plates, aluminum, copper, brass. Product Description: Hole Saw Kit HSS Bi-Metal Holesaw Material: M2 / M3 / M42 High speed ... , milling machines or any other machine, which has a rotating spindle Capacity: Recommended for cutting steel and cast iron pipe, steel ...