Specification Brand : PRIME-LINE BulletPoint1 : Size: 3/8 inch X 1 inch OD BulletPoint2 : Most commonly used and versatile washer BulletPoint3 : Increases bearing surface and distributes load over a larger area BulletPoint4 : Can be used to prevent a screw or bolt from going into a hole too far BulletPoint5 : Can also be used as spacers by stacking more than one BulletPoint6 : Specification(s) Met: ASME B18.21.1 Color : Zinc CustomerPackageType : 100 ExteriorFinish : Galvanized ExternallyAssignedProductIdentifier1 : 049793124791 ExternallyAssignedProductIdentifier2 : 0049793124791 ExternallyAssignedProductIdentifier3 : 00049793124791 GpsrSafetyAttestation : 1 ItemName : Prime-Line 9080082 Flat Washers, USS, 3/8 In. X 1 In. OD, Hot Dip Galvanized Steel (50 Pack) ItemPackageDimensions_Height : 15.24 centimeters ItemPackageDimensions_Length : 2.286 centimeters ItemPackageDimensions_Width : 9.652 centimeters ItemPackageQuantity : 1 ItemShape : Shape ItemTypeKeyword : flat-washers Manufacturer : Prime-Line Material : Alloy Steel MetalType : Alloy Steel ModelNumber : 9080082 NumberOfItems : 50 NumberOfPieces : 50 PackageLevel : unit PartNumber : 9080082 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".