Specification Brand : RAW PRODUCTS CORP BulletPoint1 : Coupling nuts are threaded fasteners used to join two male threads, most commonly threaded rod. BulletPoint2 : The outside of a coupling nut is typically a hex so it can be driven with a wrench. BulletPoint3 : Coupling nuts are also used to make up long rod assemblies from shorter lengths of rods. BulletPoint4 : Coupling nuts are also available in reducer versions, which can be used to connect two different sizes of threaded rod or fasteners. BulletPoint5 : Coupling nut dimensions are described by the industrial fastener institute in standard IFI-128. Color : Silver DriveSystem : External Hex ExteriorFinish : Galvanized ExternallyAssignedProductIdentifier1 : 722703781795 ExternallyAssignedProductIdentifier2 : 0722703781795 FinishType : Hot Dipped Galvanized GradeRating : Grade A ItemName : Coupling Nut Hot Dipped Galvanized - 5/16"-18 (1/2" F x 1-3/4" L) - Qty-100 ItemPackageQuantity : 1 ItemTypeKeyword : coupling-nuts Manufacturer : RAW PRODUCTS CORP Material : Steel MeasurementSystem : Inch NumberOfItems : 100 PartNumber : 722703781795 ProductDescription : Coupling Nut Hot Dipped Galvanized - 5/16"-18 (1/2" F x 1-3/4" L) - Qty-100 ProductSiteLaunchDate : 2016-01-23T08:00:00.000Z Size : 5/16"-18 Style : Coupling Nut UnspscCode : 31161700