Specification Brand : HARFINGTON BulletPoint1 : Size - Drilling diameter: 1-3/8" (35m), 1-9/16" (40mm), 1-3/4" (45mm), 2" (50mm), 2-3/8" (60mm), 2-3/4 (70mm); drilling depth: 2-3/8" (60mm); hex shank size: 5/16" (8mm); total length: 3-11/32" (85mm) BulletPoint2 : Material - Specially heat-treated carbide tips on the forstner drill bit provides superior hardness and wear resistance, heat resistance, reduced friction, and precision drilling for smoother, more efficient cutting, longer tool life, and less sharpening or replacement frequency. BulletPoint3 : Feature - 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. High carbon steel round shank drill bit ensures strength, durability, stability, and easily clamps into most standard drill chucks. BulletPoint4 : 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. For furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw, and other DIY. BulletPoint5 : Note - 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, clear debris, and always wear protective equipment. BulletPoint6 : High Compatibility - 8mm Shank Forstner bit can be used with various drilling machines, such as drill press, gun drills, pistol drills, bench drills, vertical electric drills, and so on. BulletPoint7 : PLEASE NOTE - Don’t drill holes directly on the blue positioner. Please mark the fixed place with the positioner and pen first, and then drill hole in the wooden plate with the drill bit. Color : Black ExternallyAssignedProductIdentifier : 4582584778903 ExternallyAssignedProductIdentifier1 : 4007430064493 ExternallyAssignedProductIdentifier2 : 04007430064493 ExternallyAssignedProductIdentifier3 : 00045325145166 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : Forstner Drill Bit + Hinge Jig Hole Locator + Hinge Hole Drilling Guide Template ItemDisplayDimensions_Height : 6.63 inches ItemDisplayDimensions_Length : 1.56 inches ItemDisplayDimensions_Width : 3.25 inches ItemName : HARFINGTON 6pcs Carbide Forstner Bit Set 1-3/8" - 2-3/4" Large Size Carbide Tipped Wood Drill Bit Kit Hole Openers for Hinge Drilling Woodworking ItemPackageDimensions_Height : 17.4 centimeters ItemPackageDimensions_Length : 11.2 centimeters ItemPackageDimensions_Width : 11.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : forstner-bits Manufacturer : HARFINGTON Material : Cobalt Steel Material1 : Carbide Material2 : High Carbon Steel ModelNumber : 627582000 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 16 PackageLevel : unit PartNumber : hta230605hh0656 ProductDescription : 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. Specially heat-treated carbide tips on the forstner drill bit provides superior hardness and wear resistance, heat resistance, reduced friction, and precision drilling for smoother, more efficient cutting, longer tool life, and less sharpening or replacement frequency. The spur help guide it through wood and ensure accurate start holes, reducing slippage during drilling. Arc curve design head for easy chip-removal, more efficient perforation. 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. Can be used with handheld drills, drill presses, CNC routers, and lathes. High carbon steel round shank drill bit ensures strength, durability, stability, reduces slippage during drilling, and easily clamps into most standard drill chucks. Recommended to use on desktop (fixed) equipment. Note: Use a cutting oil or lubricant, control the speed, apply pressure gradually, clear debris, and always wear personal protective equipment. Always keep the forstner bit firmly in place when drilling. The cutting edge and tip of the opener should be sharpened in time.