Specification Brand : ARP BulletPoint : (2 pc) 1" ID x 2" OD x 1/4" thick Stainless Steel Flat Washer 304 18-8 A2 BulletPoint1 : Parallel-ground and hardened high performance washers BulletPoint2 : Constructed from premium chrome moly and finished in black oxide BulletPoint3 : Features an internal diameter chamfer BulletPoint4 : 7/16" inside diameter, 7/8" outside diameter, and .120" thick BulletPoint5 : Each package contains 10 washers Color : Silver ExteriorFinish : Painted ExternallyAssignedProductIdentifier1 : 672036006563 ExternallyAssignedProductIdentifier2 : 0672036006563 ExternallyAssignedProductIdentifier3 : 00672036006563 ExternallyAssignedProductIdentifier4 : 0886399758391 ItemName : ARP 2008532 Premium Black Oxide Chrome Moly Special Purpose Washers - Pack of 10 ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 11.43 centimeters ItemPackageDimensions_Width : 14.986 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flat-washers Manufacturer : ARP Material : Stainless Steel MetalType : Alloy Steel ModelNumber : 200-8532 NumberOfItems : 1 NumberOfPieces : 10 PackageLevel : unit PartNumber : 2008532 ProductDescription : (1 pc) EXTSW 1.032" ID x (2" / 1.990") OD x 1/4" Thick 304 A2 Stainless Washer. .030 inch Radius OD / Countersunk ID (no sharp edges). Actual dimensions 1" ID (1.032) x (1.990) 2" OD x 1/4" (.250) (+/- .003 on all dimensions). Thick Made in USA on a CNC lathe. It is a beautiful fit for your 1" Stainless bolts. (Not 303) 304 Alloy Stainless steel (18-8 / A2) has a MINIMUM amount of 18% Chromium and a MINIMUM amount of 8% Nickel, COMBINED with a MAXIMUM of 0.08% Carbon. ProductSiteLaunchDate : 2005-11-23T00:00:01-00:00 Size : 12mm x 4mm x 1mm (150 Pcs) StreetDate : 2012-06-05T00:00:01Z Style : Flat Washer SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 10 UnspscCode : 52140000 WasherType : Flat WasherType1 : Flat WasherType2 : Countersunk