Specification Brand : HARFINGTON BulletPoint1 : Size - Drilling diameter: 17mm / 21/32"; shank size: 8mm / 5/16"; drilling depth: 60mm / 2-3/8"; total length: 90mm / 3-9/16"; shank type: round shank BulletPoint2 : Material - Widened and thickened premium carbide tips provide sharp cutting edges, high strength, high hardness, wear resistance, and heat resistance. It enables precise, fast and clean drilling. 45# carbon steel shank has good strength, durability and sufficient rigidity. 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 shank and cutter head are precision ground to ensure stable drilling and high concentricity. BulletPoint4 : Applications - 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 : Notes - Used with handheld drills, drill presses, CNC routers, and lathes. 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, and always wear protective equipment. Color : Black ExternallyAssignedProductIdentifier1 : 0650728283928 ExternallyAssignedProductIdentifier2 : 650728283928 FinishType : Spray Paint GpsrSafetyAttestation : 1 IncludedComponents : 13/16"x18" Auger, 2" Forstner Bit, Custom Pilot Bit, Alan Key ItemName : HARFINGTON 2pcs Forstner Drill Bits 17mm (21/32") Tungsten Carbide Wood Forstner Bit Opener Cutter for Hinge Hole Drilling Woodworking, Black ItemPackageDimensions_Height : 1.38 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 2 ItemTypeKeyword : forstner-bits Manufacturer : HARFINGTON Material : Tungsten Carbide, 45# Carbon Steel Material1 : Carbide Material2 : Tungsten Steel ModelNumber : a1940ae5-68a3-4db0-a0e0-aef466578b47 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 2 PartNumber : hta230926hh000527 ProductDescription : Do not drill metal and non-ferrous metals. Make sure there are no nails or other metal objects in the wood before drilling. The spray paint finish has a smooth, even surface that resists rust and corrosion. The widened and thickened premium carbide tips provide sharp cutting edges, high strength, high hardness, wear resistance, and heat resistance. The forstner drill bit enables precise, fast and clean drilling. The forstner drill bit adopts 45# carbon steel shank, which has good strength, durability and sufficient rigidity. 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 shank and cutter head are precision ground to ensure stable drilling and high concentricity. 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. The forstner drill bit can be used with handheld drills, drill presses, CNC routers, and lathes. Recommended to use on desktop (fixed) equipment. Note: Use a cutting oil or lubricant, control the speed, apply pressure gradually, and always wear personal protective equipment. Always keep the forstner bit firmly in place when drilling. The cutting edge and tip should be sharpened in time.