General description Expert Quality heavy-duty variable pitch bi-metal holesaws designed for cutting a variety of materials including wood, steel, brass, bronze, cast iron, aluminum, and plastic. Manufactured from high-quality steel with an M3 cutting edge, these holesaws provide fast, clean, and heavy-duty cutting action. Maximum cutting depth is 35mm. Technical specifications Diameter: 105mm Maximum cutting depth: 35mm Material: High-quality steel with M3 cutting edge