Specification Brand : Small Parts BulletPoint1 : Flat washer provides a bearing surface for fastener load distribution or acts as a spacer BulletPoint2 : 316 stainless steel provides strength and better corrosion resistance than 18-8 stainless steel BulletPoint3 : Plain surface has no finish BulletPoint4 : Meets DIN 9021 specifications BulletPoint5 : 【Material】: 304 Stainless Steel 18-8 that you will probably see in your pans and cookery tools. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners. Weak magnetic properties through cold-working during the process of manufacturing. Color : Silver ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 712662151463 ExternallyAssignedProductIdentifier2 : 0712662151463 FinishType : Galvanized GpsrSafetyAttestation : 1 ItemName : Small Parts 316 Stainless Steel Flat Washer, Plain Finish, Meets DIN 9021, M10 Hole Size, 10.5mm ID, 30mm OD, 2.5mm Nominal Thickness (Pack of 5) ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 10.922 centimeters ItemPackageDimensions_Width : 8.128 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : flat-washers Manufacturer : Small Parts Material : Stainless Steel MetalType : Stainless Steel ModelNumber : AOE-AM41111-20 NumberOfItems : 5 NumberOfPieces : 5 PartNumber : B009OK6YUM ProductDescription : Features: 1.6mm inner diameter, 4mm outer diameter, 0.3mm thickness. Metric flat washers, for use with M1.6 bolts. Corrosion Resistant w/ Reduce Galling. Application: Wildly used in chemical industry, bicycle or motor production. ProductSiteLaunchDate : 2012-10-31T08:00:01.000Z Size : 5/8" ID SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 5 UnspscCode : 31161800 WasherSize : M10 WasherType : Flat