HARFINGTON Forstner Drill Bit 20mm (0.79") Dia 8mm (5/16") Round Shank Serrated High Carbon Steel Hole Opener for Wood Drilling Hinge Woodworking

The high carbon steel forstner bit offer high hardness, durability, accuracy and efficiency. It is a reliable and versatile tool for woodworkers to achieve precision drilling in woodworking projects. Do not drill metal and non-ferrous metals. Make sure there are no nails or other metal objects in the wood before drilling.Serrated edges on forstner drill bits can create clean, precise and smooth holes in in hard and soft woods without tearing the wood fibers, with less cutting resistance, faster chip removal, higher efficiency and speed, and longer service life. The spur help guide it through wood and ensure accurate start holes, reducing slippage during drilling.The forstner bit is suitable for drilling 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, and other DIY.The universal round shank forstner bit can be used with handheld drills, drill presses, CNC routers, and lathes. It is more recommended to use on desktop (fixed) equipment. Using a cutting oil or lubricant helps reduce friction and heat buildup, and can also improve performance and extend the tool life.Note: Control the speed, apply pressure gradually, clear debris, and always wear personal protective equipment such as gloves and safety glasses. Always keep the forstner bit firmly in place when drilling.