Specification Brand : Fast Flange Sustainbly Sourced Fasteners BulletPoint1 : 25 Pieces Total BulletPoint2 : RoHS, REACH, Prop 65 Compliant BulletPoint3 : Flanged Nut with Top-Locking Feature BulletPoint4 : Diameter/Pitch: 5/8"-11 | Coarse Thread BulletPoint5 : Material: Grade 8 | Finish: Zinc Yellow Trivalent & Wax BulletPoint6 : Ships in small polybag with description, quantity, item #, lot #, and country of origin DriveSystem : Hex ExteriorFinish : Zinc FinishType : Zinc Yellow Trivalent & Wax GradeRating : Grade 8 ItemName : (25 Pieces) 5/8"-11 Grade 8 Hex Flange Prevailing Torque Top Lock Nuts Zinc Yellow Trivalent & Wax ItemPackageQuantity : 8 ItemTypeKeyword : flange-nuts Manufacturer : Fast Flange Material : Carbon Steel MetalType : Carbon Steel NumberOfItems : 25 PartNumber : F11511 ProductDescription : Grade 8 (G) hex flange prevailing torque locknuts are designed to resist loosening under vibration and dynamic loads. The combination of a locking mechanism and flange design provides a secure fastening solution. The locking mechanism in the prevailing torque locknuts provides additional security against loosening, making them ideal for high-vibration and high-stress applications. The flange also helps distribute the load, reducing the risk of damage to connected materials. Coated in zinc with a yellow trivalent finish, offering 96 hours of rust resistance before red rust appears, and is finished with a wax to optimize torque-tension relationships. ProductSiteLaunchDate : 2022-03-22T12:24:36.133Z Size : 5/8"-11 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1