Specification Brand : Hard-to-Find Fastener BulletPoint1 : Diameter: 9/16" BulletPoint2 : Thickness: 21/32 inches BulletPoint3 : Material: Steel BulletPoint4 : Finish: Yellow Zinc BulletPoint5 : Driver Type: 7/8" Wrench Color : Yellow CompatibleFastenerDescription : 0.5 inches DriveSystem : External Hex ExteriorFinish : Yellow Zinc,Zinc,Steel ExternallyAssignedProductIdentifier1 : 014973473785 ExternallyAssignedProductIdentifier2 : 0014973473785 ExternallyAssignedProductIdentifier3 : 00014973473785 FinishType : Zinc GradeRating : grade 8 ItemName : Hard-to-Find Fastener 014973473785 Grade 8 Fine Lock Nuts, 9/16-18, Piece-25 ItemPackageDimensions_Height : 30.5 centimeters ItemPackageDimensions_Length : 9.7 centimeters ItemPackageDimensions_Width : 25.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-locknuts Manufacturer : Hard-To-Find Fastener Material : Steel Material1 : Stainless Steel Material2 : Nylon MeasurementSystem : Inch MetalType : Stainless Steel MetalType1 : Carbon Steel MetalType2 : Alloy Steel ModelNumber : 014973473785 NumberOfItems : 25 NumberOfPieces : 25 PartNumber : 014973473785 ProductDescription : Description: Material - Made of 304 stainless steel with wash white surface treatment, the nylon insert hex lock nuts have rust and corrosion resistance properties. This material has good properties, high-temperature resistance, durability, and is not easily deformed, making it suitable for long-term indoor and outdoor use. Features - There is a nylon insert in the insert locknut, which is closely combined with the bolt thread. The nylon insert locknut can produce a certain elastic deformation after the bolt is tightened, resulting in frictional resistance, which can prevent the bolt from loosening caused by vibration or other factors. Easy to Use - Nylon insert hex lock nuts are easy to use, insert the bolt into the nut, align the threads, and tighten with a wrench. Wide Application - Locking nuts are widely used and can be used to repair furniture or household appliances, automobile repair, machinery industry, outdoor facilities, construction, etc.