Specification Brand : Persberg BulletPoint1 : 304 Series Stainless Steel, (18-8) BulletPoint2 : Tensile - 100,000 psi to 125,000 psi, Hardness - 85 Rockwell B BulletPoint3 : 50 Pieces BulletPoint4 : Great corrosion resistance for outside applications BulletPoint5 : ☘️〖5. 100% Satisfaction Assurance〗 -- If there are any issue you come across with our products, feel free to contact me please, I always be here to help! Color : Zinc Plated Lock Washer - 550Pcs CustomerPackageType : Standard Packaging ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 6091022474768 ExternallyAssignedProductIdentifier1 : 716715822140 ExternallyAssignedProductIdentifier2 : 0716715822140 GpsrSafetyAttestation : 1 ItemName : Persberg 100Pcs 1/4" Stainless Lock Finish Washer, 3/8" Outside Diameter- Choose Size, 18-8 (304) Stainless Steel (120-4) ItemPackageDimensions_Height : 11.8 centimeters ItemPackageDimensions_Length : 0.5 centimeters ItemPackageDimensions_Width : 5.5 centimeters ItemPackageQuantity : 50 ItemTypeKeyword : spring-lock-washers Manufacturer : Persberg LLC Material : Stainless Steel MetalType : Stainless Steel ModelNumber : A304000201L4W NumberOfItems : 20 NumberOfPieces : 100 PartNumber : A304000201L4W ProductDescription : 304 stainless steel has good corrosion resistance in a bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance. These washers are very strong and are great for both indoor and outdoor use. The larger outside diameter perfect for applications that require a larger amount of pressure distribution such as drywall, fencing, mounting fixtures, and sheet metal. NOTE: Please check the size carefully before purchasing. Warning: the product are small parts, keep away from children and kids. ProductSiteLaunchDate : 2020-04-28T07:00:00.000Z Size : 1/4" X 3/8" (100 Pcs) Style : Flat style SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31161500 WasherType : Countersunk