HARFINGTON 6pcs Forstner Drill Bit Set 40mm-80mm (1-9/16" - 3-5/32") Large Size Tungsten Carbide Wood Forstner Bits Openers for Hinge Hole Drilling Woodworking

Size - Drilling diameter: 40mm / 1-9/16", 45mm / 1-3/4", 50mm / 1-31/32", 60mm / 2-3/8", 70mm / 1-3/4", 80mm / 3-5/32"; total length: 80mm / 3-1/8"; design: 2 cutters, 3 spurs; shank type: round shank (can be used with most standard drill chucks and drill drivers.)
Material - Special heat-treated carbide tips provide excellent hardness and toughness, wear resistance and heat resistance for long-lasting performance and extended tool life. Polished forstner bit has a smooth, shiny surface that enhances the aesthetics and reduces friction.
Features - The spur help guide it through wood and ensure accurate start holes, reducing slippage. Arc curve design head for easy chip-removal, more efficient perforation. The forstner bit can drill precise, smooth, and neat holes without burrs.
Applications - Forstner bit is suitable for softwood, hardwood, solid wood, plywood, 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.
Note - Used with handheld drills, drill presses, CNC routers etc.. Recommended to use on desktop (fixed) equipment. Do not drill metal and non-ferrous metals. Always keep the forstner bit firmly in place when drilling. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, and always wear protective equipment.

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