The PTI 25mm Bi-Metal Sheet Metal Holesaw is engineered for high performance and durability, with hardened, heat, and abrasion-resistant high-speed steel teeth and a robust alloy body and cap. This holesaw is ideal for use with cordless power drills, making it perfect for onsite work. It offers exceptional strength, durability, and shatter resistance. Features: 25mm Diameter 8 TPI Constant Tooth Pitch for smooth cutting HSS 8% Cobalt Cutting Edge for enhanced durability Ideal for drilling holes in electrical cabinets, steel trunking, enclosures, and panels Perfect for battery-operated power tools Thin Wall Design allows easier cutting and extends battery life Suitable for cutting stainless steel, tool steel, mild steel sheeting up to 1.6mm, as well as plasterboard, wood, and thin plastics Complete Assembly with a 1/4" hex quick-change shank; no need for a separate arbor and pilot drill Internal Spring aids in slug removal Brand: PTI