HARFINGTON 5pcs Forstner Drill Bit 15mm 20mm 25mm 30mm 35mm Dia 8mm Round Shank Serrated High Carbon Steel Hole Opener for Wood Drilling Hinge Woodworking

Size - Drilling diameter: 15mm / 3/5", 20mm / 0.79", 25mm / 0.98", 30mm / 1.18", 35mm / 1.38"; round shank diameter: 8mm / 5/16"; total length: 92mm / 3.62", 92.5mm / 3.64"; cutting edge angle: 45 degree
Material - The high carbon steel forstner drill bit offer high hardness, durability, accuracy and efficiency. It is a reliable and versatile tool for woodworkers to achieve precision drilling in woodworking projects. The cutting edges should be sharpened in time.
Feature - Sharp serrated edges create clean, precise and smooth holes, with less cutting resistance, faster chip removal, higher efficiency and speed, and longer service life. The ultra sharp spur help guide it through wood and ensure accurate start holes, reducing slippage during drilling.
Applications - 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, and other DIY.
Note - Used with handheld drills, drill presses, CNC routers, and lathes. More recommended to use on desktop (fixed) equipment. Do not drill metal and non-ferrous metals. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, clear debris, and always wear personal protective equipment. Comes with a plastic storage case.

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