S-93355A520 M2.5 x 6 mm Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Maximum torque transmission capability through external hex drive design for secure tightening with standard tools
• Precision thread engagement with Class 6H thread fit ensuring reliable connections and vibration resistance
• Versatile connectivity with fully threaded right-hand metric design for joining threaded rods and components
• Optimized for coarse thread applications with 0.45 mm pitch providing quick assembly and disassembly
• Environmental compliance assurance with RoHS 3 certification for sustainable manufacturing practices
• Compact dimensional profile (4.5mm width × 6mm length) enabling use in space-constrained assemblies

Professional Applications & Engineering Value

This M2.5 coupling nut delivers exceptional engineering value in precision assembly applications where reliable threaded connections are critical. The zinc-plated steel construction provides essential corrosion protection for industrial equipment, automotive components, and electronic enclosures exposed to demanding environmental conditions. The fully threaded metric design with coarse 0.45 mm thread pitch enables rapid installation while maintaining structural integrity. The external hex drive configuration ensures maximum torque application without stripping, making it ideal for high-vibration environments where connection security is paramount. This coupling solution effectively addresses common challenges of component alignment, thread protection, and assembly efficiency in industrial fastening systems.

Specification Summary & Compliance

This precision fastener features Class 6H thread fit according to metric standards, ensuring dimensional accuracy and reliable performance. The manufacturing complies with RoHS 3 (2015/863/EU) environmental directives with exemption 6(a)-I for lead as an alloying element in steel. The coupling nut maintains coarse thread spacing with 0.45 mm pitch and right-hand threading throughout its 6 mm length, providing consistent engagement characteristics. The 4.5 mm hex width accommodates standard metric tools for simplified installation across various industrial applications.