Specification Brand : Hillman BulletPoint : 1/4 ID x .550 OD Black Washers No-Chamfer 10pk BulletPoint1 : Hardened, Grade 8, Yellow Dichromate BulletPoint2 : These Washers Help To Prevent Bolts Or Nuts From Pulling Through A Surface BulletPoint3 : Grade 8 Washer BulletPoint4 : From The Brand: The Hillman Group BulletPoint5 : [Advantage] - Flat washers distribute the load over a wider area, preventing stress concentration and potential material failure. This wider contact surface supports and distributes the load, protecting the underlying surface from wear and tear. Furthermore, flat washers help secure the nut by providing a consistent surface, minimizing the chance of loosening due to uneven contact. Color : Black ExteriorFinish : Zinc Yellow-Chromate ExternallyAssignedProductIdentifier1 : 008236090185 ExternallyAssignedProductIdentifier2 : 0008236090185 ExternallyAssignedProductIdentifier3 : 00008236090185 GpsrSafetyAttestation : 1 ItemName : The Hillman Group 280330 3/4-Inch Flat Washer Hardened, 20-Pack ItemPackageDimensions_Height : 8.1 centimeters ItemPackageDimensions_Length : 4.3 centimeters ItemPackageDimensions_Width : 6.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flat-washers Manufacturer : The Hillman Group Material : Alloy Steel Material1 : Rubber Material2 : Stainless Steel MetalType : Stainless Steel MetalType1 : Carbon Steel MetalType2 : Low Carbon Steel ModelNumber : 280330 NumberOfItems : 1 NumberOfPieces : 20 PackageLevel : unit PartNumber : 280330 ProductDescription : Description: [Material] - These flat washers, made from 316 stainless steel, offer superior corrosion resistance and excellent conductivity. Their durability makes them for outdoor applications. [Wide application] - These flat washer fittings find widespread application in electrical connections across diverse sectors, household and commercial appliances, automotive and marine industries, fuel systems, and hydraulic installations. [Feature] - Flat washers serve a crucial function in fastening applications. They distribute the load exerted by threaded bolts, screws, and nuts, ensuring a smooth bearing surface. [Advantage] - Flat washers distribute the load over a wider area, preventing stress concentration and potential material failure. This wider contact surface supports and distributes the load, protecting the underlying surface from wear and tear. Furthermore, flat washers help secure the nut by providing a consistent surface, minimizing the chance of loosening due to uneven contact.