Specification Brand : Hillman BulletPoint1 : Uses internal teeth for locking and tension BulletPoint2 : These washers are preferred when the finished appearance is crucial and teeth must be hidden BulletPoint3 : Zinc-plated for moderate corrosion resistance BulletPoint4 : Product Dimension: 2.93" x 3.0" x 1.87" BulletPoint5 : PACKAGE CONTENT : 100pcs x Starlock Washers ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 5055745072169 ExternallyAssignedProductIdentifier1 : 008236091403 ExternallyAssignedProductIdentifier2 : 0008236091403 ExternallyAssignedProductIdentifier3 : 00008236091403 GpsrSafetyAttestation : 1 ItemName : The Hillman Group 310146 1/2-Inch Internal Tooth Lock Washer, 100-Pack ItemPackageDimensions_Height : 4.2 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tooth-lock-washers Manufacturer : The Hillman Group Material : Steel MetalType : Carbon Steel MetalType1 : Alloy Steel MetalType2 : Bronze ModelNumber : 310146 NumberOfItems : 100 NumberOfPieces : 100 PartNumber : 310146 ProductDescription : Widely used in machinery equipment, industrial production of shock absorption and insulation. FEATURE : A Lock washer exerts a spring force between the fasteners head and the substrate to create more friction and resistance to rotation. EASY TO INSTALL : Sturdy and durable, great corrosion resistance for machinery equipment and substrate, easy to install. APPLICATION : Widely used in machinery equipment,industrial production of shock absorption and insulation.