Specification Brand : Procraft BulletPoint : 8 Pack 5/16-24 Fine Thread x 7/8" long, 7/16" across the flats steel coupling nut with zinc finish. BulletPoint1 : Product Included: 8 x Hex Coupling Nut; Hex-Shaped on the outsides, a wrench can tighten or loosen it easily BulletPoint2 : Dimension: Pitch: 0.8 mm; Hex Width: 8mm / 0.31"; Length: 20 mm / 0.79" ;Color: silver BulletPoint3 : Material: Coupling nut are made of 304 Stainless Steel, good rust resistance and durable. BulletPoint4 : Application: Metric coupling nuts are designed to secure 2 parts together, most commonly threaded rod BulletPoint5 : Niooliuk offer a Money Back Guarantee for every customer. If you are not fully satisfied, please contact us and ask for a refund or replacement Color : Silver DriveSystem : External Hex ExteriorFinish : Zinc,Steel ExternallyAssignedProductIdentifier1 : 0023632271105 ExternallyAssignedProductIdentifier2 : 023632271105 FinishType : Silver GradeRating : Commercial ItemName : 8 Pack 5/16-24 X 7/8" Long Fine Thread Hex Coupling Nut with Zinc Plate ItemPackageDimensions_Height : 10.4902 centimeters ItemPackageDimensions_Length : 0.889 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : coupling-nuts Manufacturer : Procraft Material : Steel MeasurementSystem : Metric MetalType : Alloy Steel ModelNumber : M5X20 NumberOfItems : 1 NumberOfPieces : 8 PartNumber : NCUP005F014STLZN007 ProductDescription : 8 Pack 5/16-24 Fine Thread x 7/8" long, 7/16" across the flats steel coupling nut with zinc finish. ProductSiteLaunchDate : 2018-12-31T08:00:00.000Z Size : Other SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161700