The Starrett TCT Stainless Steel Holesaws are ideal for cutting high alloy and stainless steels, non-ferrous light metals and reinforced fabrics at much faster speeds than is possible with a bi-metal holesaw. Tough tungsten carbide tipped teeth have a positive cutting angle which provides fast and efficient removal of chips and swarf. They have a solid one-piece construction, with complete assembly including arbor and pilot drill. A split-point drill bit allows for faster penetration and self-centring helping keep the drill on target and to prevent wandering. Fitted with ejector spring for easy core removal. Ideal for production cutting, and particularly suitable for use in drills with limited speed control. Recommended for cutting sheet metal up to 3mm (1/8in) thick.