Specification Brand : RoyceMart BulletPoint1 : Package: 25 pcs BulletPoint10 : Style: Medium Split BulletPoint2 : Standard Meets ANSIB18.21.1 BulletPoint3 : Inside Diameter: 15.9-16.2mm; Compressed Height: 3.9mm BulletPoint4 : Perfect for electrical connections on household and commercial appliances. The benefit of spring lock washers lies in the trapezoidal shape of the washer. When compressed to loads near the proof strength of the bolt, it will twist and flatten. This reduces the spring rate of the bolted joint which allows it to maintain more force under the same vibration levels. This prevents loosening. BulletPoint5 : Material: High Quality 304 (18/8) Stainless Steel, great strength and good corrosion resistance to make fasteners last! BulletPoint6 : Diameter: 9/16" BulletPoint7 : Material: Steel BulletPoint8 : Finish: Yellow Zinc BulletPoint9 : Hardness: Grade 8 ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 014973269845 ExternallyAssignedProductIdentifier2 : 0014973269845 ItemName : 5/8" inch ID (Inside Diameter) Stainless Steel Lock Washer Spring Washer, 304 Stainless Steel (18-8), 25 Qty ItemPackageDimensions_Height : 10.2108 centimeters ItemPackageDimensions_Length : 1.905 centimeters ItemPackageDimensions_Width : 10.2108 centimeters ItemPackageQuantity : 25 ItemTypeKeyword : spring-lock-washers Manufacturer : RoyceMart Material : Stainless Steel MetalType : Stainless Steel ModelNumber : MB-BR0108-25 NumberOfItems : 25 NumberOfPieces : 25 PartNumber : MB-BR0108-25 ProductDescription : Perfect for electrical connections on household and commercial appliances. The benefit of spring lock washers lies in the trapezoidal shape of the washer. When compressed to loads near the proof strength of the bolt, it will twist and flatten. This reduces the spring rate of the bolted joint which allows it to maintain more force under the same vibration levels. This prevents loosening. ProductSiteLaunchDate : 2022-09-02T03:59:39.282Z Size : 5/8" ID Style : Split SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 25 UnspscCode : 31161500 WasherType : Split Lock