S-96177A620 3/4"-16 x 1 1/2" ASTM A108 Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel finish for extended service life in demanding industrial environments
• Precise thread engagement with Class 2B fit ensuring reliable connections and reduced risk of cross-threading
• Superior load distribution through full threading design that maintains structural integrity under heavy loads
• Industry-standard compliance with ASTM A108 specifications guaranteeing consistent quality and performance
• Fine thread spacing (16 UNF) providing improved vibration resistance and superior clamping force
• Environmental regulation compliance with RoHS 3 and REACH standards for safe, sustainable industrial applications
• Versatile connectivity with right-hand threading compatible with standard UNF fastener systems

Professional Applications & Engineering Value

This black-oxide steel coupling nut delivers exceptional engineering value through its ASTM A108 compliant construction and fully threaded UNF design. The 3/4"-16 fine thread configuration with Class 2B thread fit addresses critical industrial challenges by providing superior vibration resistance in high-stress applications such as machinery assembly, structural frameworks, and heavy equipment manufacturing. The black-oxide surface treatment significantly enhances corrosion protection, extending service life in harsh operating conditions while maintaining dimensional stability. Engineered for precision joining of threaded rods and components, this coupling nut ensures reliable load transfer and structural integrity, making it ideal for applications requiring consistent performance in construction, automotive, and industrial maintenance sectors where fine thread reliability is paramount.

Specification Summary & Compliance

This coupling nut features Class 2B thread fit per UNF standards with precise dimensional accuracy (63/64" OD, 1 1/2" length). Manufactured to ASTM A108 specifications with right-hand 3/4"-16 UNF fine threading. Compliant with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations (01/17/2023, 233 SVHC) for environmental safety and industrial compliance.