HARFINGTON Forstner Drill Bit 40mm (1-9/16") Upgraded 3-Cutter Tungsten Carbide Forstner Bit Opener for Hinge Wood Hole Drilling Woodworking

Heat-treated tungsten carbide tips provide excellent hardness and toughness, wear resistance and heat resistance for long-lasting performance and extended tool life. The sprayed coating has a smooth, even surface that resists rust and corrosion. High-speed steel shank with excellent hardness and wear resistance.The head adopts 3 cutters, 4 spurs, 15 degree angel cutter and arc curve, which has low cutting resistance, smooth chip removal, uniform force and higher perforation efficiency. It can drill precise, smooth, and neat holes without burrs. The center spur helps guide it through wood and ensure accurate start holes.The forstner bit is suitable for softwood, hardwood, solid wood, plywood, coated particle board, laminate and MDF. Easily drills flat-bottomed and pocket holes with precise, smooth finish. Widely used for furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw.The universal round shank can be used with a wide variety of tool holder systems, such as handheld drills, drill presses, CNC routers, and lathes. Recommended to use on desktop (fixed) equipment. Always keep the forstner bit firmly in place when drilling.Note: Do not drill metal and non-ferrous metals. Make sure there are no nails or other metal objects in the wood before drilling. Use a cutting oil or lubricant, control the speed, apply pressure gradually, and always wear personal protective equipment. The cutting edge and tip should be sharpened in time.