S-90264A803 M3 x 18 mm Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• Superior thread engagement and load distribution due to the extra long 18mm profile, ideal for connecting threaded rods or studs securely
• Precise Class 6H thread fit guarantees consistent mating with M3 coarse threads, reducing the risk of cross-threading and assembly errors
• Easy installation and removal with the external hex drive design, allowing for standard wrench or socket tool compatibility
• Full threading along the entire length enables flexible positioning and adjustment in assembly, enhancing design versatility
• Compliance with RoHS 3 standards ensures environmental safety and meets global regulatory requirements for industrial components
• Robust M3 x 0.5 mm coarse thread provides strong holding power and resistance to vibration loosening in demanding applications

Professional Applications & Engineering Value

This M3 extra long coupling nut is engineered to address common challenges in industrial assembly, such as the need for reliable connections between threaded components in machinery, automotive systems, and electronic enclosures. Made from zinc-plated steel, it offers excellent protection against rust and corrosion, extending service life in humid or outdoor settings. The fully threaded design and coarse metric threading ensure quick, secure fastening, while the external hex drive simplifies installation with standard tools, reducing labor time. Ideal for applications requiring extended reach, such as joining rods in frameworks or adjusting heights in precision equipment, this nut delivers consistent performance under stress, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This coupling nut features an M3 thread size with a 0.5 mm pitch and Class 6H thread fit per metric standards, ensuring high dimensional accuracy and compatibility. It measures 6 mm in width and 18 mm in length, with a right-hand, fully threaded profile. Manufactured from zinc-plated steel, it adheres to RoHS 3 (2015/863/EU) compliance under exemption 6(a)-I for lead as an alloying element in steel, meeting essential industrial safety and environmental regulations.