Specification Brand : Hyuduo BulletPoint1 : Material And Quality: The hex connector deep nuts are made of zinc plated carbon steel material, which offer good resistance. BulletPoint2 : Good Design: The long fine thread rods are Hexagonal,which have 6 sides that give a good granularity of angles for a tool to approach. BulletPoint3 : Functions and Work: The threaded rod connectors are used to fit bolts, studs or machine screws for fastening two parts together to make them one piece. BulletPoint4 : More Options: The M8 hex coupling nuts include four different types, which can meet your needs, besides, they will be great replacement for industrial and construction fasteners. BulletPoint5 : Widely Used: The rod studding hex are used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. BulletPoint6 : Perfect for DIY projects, repairs or industrial use Color : Silver CustomerPackageType : Standard Packaging DriveSystem : External Hex ExteriorFinish : Zinc,Carbon Steel ExternallyAssignedProductIdentifier1 : 703633140050 ExternallyAssignedProductIdentifier2 : 0703633140050 ExternallyAssignedProductIdentifier3 : 00049793161802 ExternallyAssignedProductIdentifier4 : 0792436021727 ExternallyAssignedProductIdentifier5 : 00741459038939 FinishType : Finish GradeRating : Grade 5 IncludedComponents : Beer Line ItemName : M8 Long Rod Nut Hex Coupling Nut Female Thread Straight Fitting Hex Rod Threaded Bar Rod Studding Hex Zinc Plated 10pcs(M8*28) ItemPackageDimensions_Height : 5.84 centimeters ItemPackageDimensions_Length : 0.51 centimeters ItemPackageDimensions_Width : 2.79 centimeters ItemPackageQuantity : 1 ItemShape : Hexagonal ItemTypeKeyword : hex-nuts Manufacturer : Hyuduo Material : Carbon Steel MeasurementSystem : Metric MetalType : Carbon Steel ModelName : 15' of 3/16" Clear Beer Line with Hex Nut Connection ModelNumber : Hyuduop4x0bunfd6-02 NumberOfItems : 45 NumberOfPieces : 10 PartNumber : Hyuduop4x0bunfd6-02 ProductDescription : Specification: Condition: 100% Brand New Material: Carbon steel Surface treatment: galvanized Quantity: 10pcs Type & Hex Size & Weight: #01 M8*20, 11mm, 88g/3.1oz; #02 M8*28, 10mm, 71g/2.5oz; #03 M8*30, 12mm, 167g/5.9oz; #04 M8*40, 12mm, 223g/7.9oz (Optional)