Specification Brand : GRAINGER APPROVED BulletPoint : Price For: Each Material: Steel Item: Split Lock Washer Type: Standard Rockwell Hardness: C44 to C51 Meets/Exceeds: D127B Thickness: 5mm Fits Bolt Sizes: M24 Outside Dia.: 40.0mm Inside Dia.: 24.5mm Finish: Zinc Country of Origin (subject to change): Multiple BulletPoint1 : Price For: Each Finish: Plain Item: Split Lock Washer Application: Absorbs Shock and Vibration Type: Standard Thickness: 0.078" Refills: - Fits Bolt Sizes: 5/16" Outside Dia.: 0.583" Material: Silicon Bronze Inside Dia.: 0.322" Thickness Tolerance: 0.078" Color: Bronze Rockwell Hardness: B90 Meets/Exceeds: ANSI B18.22.1. BulletPoint2 : Country of Origin (subject to change): China BulletPoint3 : [Function] - The spring washer is mainly used to prevent nuts, bolts, screws from loosening due to mechanical aging, vibration, friction, and plays the role of fixing objects to ensure the stability and security of the machine. BulletPoint4 : [Easy to Use] - Generally used under the bolt or nut to evenly distribute the load of the bolt, screw and nut when the fastener is tightened. BulletPoint5 : [Wide Application] - The ring spring washer is fit for screws, nuts and bolts of the same size, and can be used to connect machinery to prevent loose connections. It is widely used in metal plates, decks, furniture repairs, outdoor buildings and electrical maintenance. Color : One Color ExteriorFinish : Bronze ExternallyAssignedProductIdentifier : 9326599176942 ExternallyAssignedProductIdentifier1 : 082893429120 ExternallyAssignedProductIdentifier2 : 0082893429120 FinishType : black IsValueStoresItem : 1 ItemName : 5/16" x 0.583" OD Silicon Bronze Plain Finish Standard Split Lock Washers, 100 pk. ItemPackageDimensions_Height : 0.35 inches ItemPackageDimensions_Length : 5.46 inches ItemPackageDimensions_Width : 3.9 inches ItemPackageQuantity : 1 ItemTypeKeyword : spring-lock-washers Manufacturer : GRAINGER APPROVED Material : Silicone Material1 : Metal Material2 : Carbon Steel MetalType : Bronze ModelNumber : CREAP NumberOfItems : 60 NumberOfPieces : 100 PartNumber : 1NU92 ProductDescription : 'Split Lock Washer, Standard, Silicon Bronze, Finish Plain, Fits Bolt Sizes 5/16 In., Inside Dia. 0.322 In., Outside Dia. 0.583 In., Thickness 0.078 In., Thickness Tolerance 0.078 In., Color Bronze, Rockwell Hardness B90, Absorbs Shock and Vibration, For Use With Large Round, Pan, or Binding Head Screws, Meets/Exceeds ANSI B18.22.1., Refills -, Package Quantity 100' ProductSiteLaunchDate : 2017-03-19T16:39:23.873Z Size : M12 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 100 UnspscCode : 31161500 WasherType : Split Lock