Specification Brand : Hillman BulletPoint1 : Durable product BulletPoint2 : This product meets the customer requirement BulletPoint3 : Manufactured in China BulletPoint4 : Country of Origin: China BulletPoint5 : Color : Zinc Plated CustomerPackageType : 100 ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 008236089349 ExternallyAssignedProductIdentifier2 : 0008236089349 ExternallyAssignedProductIdentifier3 : 00008236089349 GpsrSafetyAttestation : 1 ItemName : The Hillman Group Zinc 270058 Flat Washer, 5/16-Inch, 100-Pack, 5/16" ItemPackageDimensions_Height : 9.4 centimeters ItemPackageDimensions_Length : 4.6 centimeters ItemPackageDimensions_Width : 7.9 centimeters ItemPackageQuantity : 1 ItemShape : Shape ItemTypeKeyword : flat-washers Manufacturer : The Hillman Group Material : Alloy Steel MetalType : Alloy Steel ModelNumber : 270058 NumberOfItems : 100 NumberOfPieces : 100 PackageLevel : unit PartNumber : 270058 ProductDescription : Features 1.Made of stainless steel with superior rust resistant galvanized finish to ensure long service life. 2.Used in applications with nuts and bolts. The flat washer provides a greater bearing surface which helps prevent a nut or bolt head from tearing through the material. 3.The called out size is the inner diameter of the washer. 4.Widely be used for home,automotive and shop use. Product Specifications Product Name:Flat Washer. Material:304 Stainless Steel. Color:Silver. Dimension: -Inner Dia:13mm/0.51". -Outer Dia:24mm/0.94". -Thickness:2.5mm/0.10".