Specification Brand : RAW PRODUCTS CORP BulletPoint1 : Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through. BulletPoint2 : A flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw size. BulletPoint3 : Flat Washers may be used to provide ease of movement for spinning parts, or when the hole holding the fastener assembly is larger than the finishing nut. BulletPoint4 : Zinc plated steel flat washers are made of steel with a zinc plating to protect the fastener from environmental damage and increase durability BulletPoint5 : Zinc plated steel is corrosion resistant Color : Silver ExteriorFinish : Zinc ExteriorFinish1 : Nylon ExteriorFinish2 : Rubber ExternallyAssignedProductIdentifier1 : 722703740792 ExternallyAssignedProductIdentifier2 : 0722703740792 ExternallyAssignedProductIdentifier3 : 00008236023725 ItemName : Flat Washers Zinc - USS - 3/8" (ID 0.438 x OD 1.00 x THK 0.086) - Qty-1000 ItemPackageDimensions_Height : 14.2 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 7.8 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : flat-washers Manufacturer : RAW PRODUCTS CORP Material : Steel MetalType : Alloy Steel ModelNumber : Performance Series NumberOfItems : 1000 NumberOfPieces : 1000 PartNumber : 722703740792 ProductDescription : Flat Washers Zinc - USS - 3/8" (ID 0.438 x OD 1.00 x THK 0.086) - Qty-1000 ProductSiteLaunchDate : 2016-01-23T21:44:57.726Z Size : 1 1/4" OD X 5/16" ID X 1/8" Thickness Style : Flat Washer SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 31161807 WasherType : Flat