Specification Brand : KooingTech BulletPoint1 : Hexagonal Coupling Nut:The m6 thread coupling nut has a hexagonal outer shape and does not require complicated tools for installation. Long hex nuts can be easily tightened or loosened with a wrench and is very convenient to use with tools BulletPoint2 : Galvanizing Steel Material: M6 long rod nut hex coupling nut has a zinc coating, our carbon steel straight coupling is harder and more resistant to oxidation than ordinary steel nuts, extending hexagon hex extend long rod coupling nut service life BulletPoint3 : 18MM Long Hex Nuts: The length of M6x18 zinc plated steel long hex coupling nuts is 18mm, the inner diameter is 6mm, and the outer diameter is 10mm. Please confirm the size of hexagon hex extend long rod coupling nut before placing BulletPoint4 : Widely Used: The 10pcs hex coupling nut is suitable for various occasions, such as home and office appliances, ship assembly, etc. M6x18 hex coupling nut is widely used in the machinery industry and industrial and construction industries as a double-ended m6 nuts accessory BulletPoint5 : Quality Materials: Hexagon hex extend long rod coupling nut is made of carbon steel. After the M6 long rod nut hex coupling nut is galvanized, the thread that is not easy to slip makes the bolt and long hex nuts form a tight connection, offer good resistance Color : Silver DriveSystem : External Hex ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 745373814648 ExternallyAssignedProductIdentifier2 : 0745373814648 FinishType : Zinc Plated GradeRating : commercial ItemName : KooingTech 10 Pcs M6 x 1 x 18mm Long Rod Coupling Hex Nut Connectors, M6 Thread Coupling Nut Carbon Steel Coupling Nuts Ship Coupling, Zinc Plated Joint Nut Industrial Construction Fasteners ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemShape : Hexagonal ItemTypeKeyword : hex-nuts Manufacturer : KooingTech Material : Carbon Steel MaximumShearStrength : 1000-1500 N/mm² MeasurementSystem : Metric MetalType : Carbon Steel MetalType1 : Copper MetalType2 : Brass ModelNumber : KooingTechquansevi31-01 NumberOfItems : 10 NumberOfPieces : 10 PartNumber : KooingTechquansevi31-01 ProductDescription : Features: 1. These hex nuts are made of zinc plated carbon steel material 2. Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from. 3. These hex nuts will be great replacement for industrial and construction fasteners. 4. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. 5. Used to fit bolts, studs or machine screws for fastening two parts together to make them one piece.