Material and Quality: The hex connector deep nuts are made of zinc plated carbon steel which has good corrosion resistance. Functions and Work: The threaded rod connectors are used to screw bolts, studs or metal screws in fastening two parts together. Good Design: The long fine thread rods are hexagonal, they have 6 sides which give good granularity of angles for an approaching tool. Widely Used: The rod fixing hexes are widely used in the home and office appliance, communication equipment, ship assembly and other machinery industries. Widely Used: The rod fixing hexes are widely used in the home and office appliance, communication equipment, ship assembly and other machinery industries. communication, ship assembly and other machinery industries. m6 long nut m6 hex rod coupling nuts metric hex coupling nut stud rod hex rods ball joint threaded rod connector adapter zinc long fine threaded rod fittings Specification: Condition: 100% Brand New Product Material: Carbon Steel Surface