S-93430A435 7/8"-9 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel construction for long-lasting performance in harsh environments
• Exceptional durability in heavy-duty applications due to robust square design and coarse UNC threading
• Reliable assembly efficiency with Class 2B thread fit ensuring smooth engagement and consistent torque performance
• Easy installation and removal using standard wrenches thanks to the external square drive design
• Wide compatibility with 7/8"-9 UNC coarse threaded bolts commonly used in industrial equipment
• Enhanced workplace safety through compliance with RoHS 3 and REACH environmental regulations
• Secure fastening in high-vibration settings due to right-hand thread direction and square nut stability

Professional Applications & Engineering Value

This 7/8"-9 UNC square nut delivers critical engineering value in demanding industrial environments where corrosion resistance and mechanical strength are paramount. The hot-dipped galvanized steel provides a thick, protective zinc coating that significantly extends service life in outdoor applications, structural frameworks, and machinery exposed to moisture or chemicals. The coarse UNC thread design resists loosening under vibration while enabling quicker assembly than fine-thread alternatives. With its external square drive configuration, technicians can apply higher torque using standard wrenches without rounding corners – solving common installation challenges in tight spaces. These characteristics make it ideal for construction equipment, agricultural machinery, heavy-duty storage systems, and industrial manufacturing where Class 2B thread fit ensures reliable performance without galling or cross-threading issues.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit for consistent engagement with mating components. Thread specifications conform to Unified National Coarse (UNC) 7/8"-9 requirements with right-hand direction. Physical dimensions include 1 5/16" width and 49/64" height. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are met for industrial procurement.