Specification Brand : HARFINGTON BulletPoint1 : Size - Drilling diameter: 35mm / 1-3/8", 50mm / 1-31/32", 60mm / 2-3/8"; shank size: 10mm / 3/8"; drilling depth (max.): 65mm / 2-9/16"; total length: 90mm / 3-9/16";, 95mm / 3-3/4", 95mm / 3-3/4"; upgraded design: 3 cutters, 4 spurs; shank type: round shank BulletPoint2 : Material - CNC carefully ground and heat-treated tungsten carbide tips provide excellent hardness and toughness, wear resistance, heat resistance for long-lasting performance and extended tool life. The sprayed coating has a smooth, even surface that resists rust and corrosion. BulletPoint3 : Features - Upgraded 3-flute 4-spur forstner drill bit facilitates efficient chip evacuation and reduces cutting resistance, helping to create a cleaner entry hole and providing better stability. Extra flutes and spurs allow for a more precise and smoother drilling, making it suitable for projects that require high precision and a high finish. 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. Always keep the forstner bit firmly in place when drilling. Do not drill metal and non-ferrous metals. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, and always wear protective equipment. Color : Green FinishType : Spray Coated GpsrSafetyAttestation : 1 IncludedComponents : inc ItemName : HARFINGTON 3pcs Forstner Drill Bit Set 1-3/8" 1-31/32" 2-3/8" (35mm 50mm 60mm) Carbide Upgraded 3 Flutes Wood Hinge Drill Bits Opener Cutter for Hole Drilling Woodworking, Green ItemPackageDimensions_Height : 2.95 inches ItemPackageDimensions_Length : 8.27 inches ItemPackageDimensions_Width : 4.92 inches ItemPackageQuantity : 1 ItemTypeKeyword : forstner-bits Manufacturer : HARFINGTON Material : Tungsten Carbide, High-speed Steel Material1 : Carbide Material2 : Carbon Steel ModelNumber : 755ba621-66ef-4fa0-92b0-925f5a21fefe NumberOfFlutes : 3 NumberOfItems : 1 NumberOfPieces : 3 PackageLevel : unit PartNumber : hta240716hh001254 ProductDescription : 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. Upgraded 3-flute 4-spur forstner drill bit facilitates efficient chip evacuation and reduces cutting resistance, helping to create a cleaner entry hole and providing better stability. The extra flutes and spurs allow for a more precise and smoother drilling, making it suitable for projects that require high precision and a high finish. Spur design helps guide it through wood and ensure accurate start holes, reducing slippage. 15 degree angel flute and arc curve design head for easy chip-removal, more efficient perforation. 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. 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. 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.