Featuring a constant pitch – first choice for cutting thin sheet materials up to 3mm thick. For producing high quality holes in wood, steel, brass, bronze, cast iron, aluminium and plastic. Featuring a hardened HSS cutting edge welded to a tough alloy steel body. Heavy duty shatter-resistant construction; virtually unbreakable. 6 teeth per inch. 38mm (11/2″) cutting depth. | | Features and Benefits | • Constant pitch: 6 teeth per inch | • Max. cutting depth: 38mm | • Heavy duty shatter-resistant construction | • Ideal for cutting thin sheet materials up to 3mm thick | • For producing high quality holes in wood, steel, brass, bronze, cast iron, aluminium and plastic