Tungsten carbide tipped hinge boring bits specially designed for use on man-made timber which blunts ordinary Forstner bits quickly. Assembling kitchen or bedroom furniture? Use this TCT hinge cutter bit from Toolpak to drill flat-bottomed holes for fitting recessed cup hinges. The hinge boring bit has a tungsten carbide tip designed especially for use on man-made timber - the type of material that blunts ordinary Forstner bits quickly. Tungsten carbide cutting head with centre point. Drills into wood, plastic, laminated wood and fibreboard. Perfect for cutting standard-sized cup hinge holes. Longer-lasting than Forstner bits on man-made timber. This 35mm Tct Hinge Boring Bit 918520 is an ideal addition to anyone's tools , whether it be for the garden , garage or DIY TCT Hinge Boring Bit 35mm Tungsten carbide tips designed for use on man-made timber that blunts ordinary Forstner bits quickly Two most popular sizes to fit concealed hinges in kitchens/bedrooms etc Suitable for hard and soft woods, veneered and laminated boards Warranty: LIFETIME for all hand tools ; 3 YEAR for power tools , air & petrol tools. Silverline-Tooltime 918520 5055058115362. Tungsten carbide tips designed for use on man-made timber that blunts ordinary Forstner bits quickly. Fits concealed hinges in kitchens/bedrooms etc. Suitable for hard and soft woods, veneered and laminated boards.