Bi-Metal Hole Saw Kit | 16-50mm HSS Drill Bits | For Metal, Wood & Stainless Steel

Engineered for demanding multi-material cutting, the M42 Bi-Metal Wood Hole Saw set delivers clean, precise 16-50mm holes through wood, metal, and aluminum. Its high-speed steel teeth and robust bi-metal construction ensure extended life and faster cutting speeds, reducing friction and tool wear for professional-grade results. Features and Benefits - M42 Bi-Metal Construction - The hardened high-speed steel cutting edge is electron-beam welded to a flexible alloy steel body, providing superior durability and resistance to breakage under heavy loads. - 16-50mm Size Range - A versatile selection of nine common diameters (16, 18, 20, 22, 25, 28, 32, 38, 50mm) covers a wide array of plumbing, electrical, and carpentry tasks. - Aggressive Tooth Geometry - Precision-ground teeth are designed for rapid chip removal and reduced binding, enabling smoother cuts in dense hardwoods, plywood, and non-ferrous metals. - 1/2-Inch Hex Shank Compatibility - The universal shank fits securely into most standard drill chucks and quick-change systems, ensuring a firm grip and maximum power transfer. Applications - Plumbing and Electrical Installations - Create clean holes for running pipes, conduit, and cables through wooden studs, floor joists, and drywall. - Metal Fabrication and HVAC Work - Drill precise openings in sheet metal, aluminum siding, and stainless steel for vents, fittings, and component mounting. - DIY Furniture and Carpentry Projects - Perfect for cutting holes for sink basins, speaker installation, or creating large dowel joints in tabletops and cabinets. Note For optimal performance and longevity, use a cutting lubricant when drilling metals and operate at recommended RPMs for the material. Always secure your workpiece firmly before drilling.