General description The M42 HSS Bimetal 120mm Hole Saw Cutter Drill Bit is a versatile tool designed for cutting through various materials including iron, aluminum, wood, drywall, plastic pipes, and fiberboard. Its bi-metal construction ensures durability and efficiency, making it ideal for both professional and DIY applications. Technical specifications Diameter: 120mm Shank: 10mm Material: M42 carbon steel with carbide tipping Cutting speed: 4 to 7 times faster than high-speed steel Usage Perfect for installing locks and knobs in doors and cabinets. Suitable for drilling larger diameter holes in desks and other furniture. Designed for use on sheet metal, drywall, plastic pipes, wood, PVC, and fiberboard.