Specification Brand : HARFINGTON BulletPoint1 : Size - Drilling diameter: 16mm / 5/8", 20mm / 25/32", 25mm / 1", 30mm / 1-3/16", 35mm / 1-3/8"; 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.) BulletPoint2 : 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. BulletPoint3 : 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. BulletPoint4 : 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. BulletPoint5 : 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. Color : Silver FinishType : Polished GpsrSafetyAttestation : 1 ItemName : HARFINGTON 5pcs Forstner Drill Bit Set 16mm-35mm (5/8" - 1-3/8") Tungsten Carbide Wood Forstner Bits Openers for Hinge Hole Drilling Woodworking ItemPackageDimensions_Height : 1.61 inches ItemPackageDimensions_Length : 5.71 inches ItemPackageDimensions_Width : 4.29 inches ItemPackageQuantity : 1 ItemTypeKeyword : forstner-bits Manufacturer : HARFINGTON Material : Tungsten Carbide, High-speed Steel PartNumber : hta240105hh000047 ProductDescription : Polished forstner bit has a smooth, shiny surface that enhances the aesthetics and reduces friction during drilling, resulting in smoother operation and improved chip evacuation. It can drill precise, smooth, and neat holes without burrs. Special heat-treated carbide tips provide excellent hardness and toughness, wear resistance and heat resistance for long-lasting performance and extended tool life. The spur help guide it through wood and ensure accurate start holes, reducing slippage. The head adopts arc curve design for easy chip-removal, more efficient perforation. 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. Used with handheld drills, drill presses, CNC routers, and lathes. High-speed steel round shank can be used with most standard drill chucks and drill drivers, making it easy to interchange and use with a variety of drilling tools. 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.