The Bi-Metal holesaw range have a vari-pitch tooth design and are recommended for cutting steel, aluminium, copper, brass, wood and plastic. Also available in plumbers and electricians kits with the most popular sizes. Arbors available with hex (3 jaw chuck) and SDS Plus shanks. Ideal for trunking, conduit, pipe, kitchen & bathroom installations, hardwood, softwood, mild Steel, aluminium & PVC. Specifications • Bi-metal holesaws with variable tooth pitch • Recommended for cutting steel, aluminium, copper, brass, wood and plastic • Arbors available with hex (3 jaw chuck) and SDS Plus shanks Specifications • Diameter: 19 mm • Arbor Part Number: D-17170 / D-17603 • Pack Quantity: 1