S-95355A275 7/8"-9 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments like marine or chemical processing
• Reliable reverse-thread security through left-hand threading, preventing loosening in rotating machinery applications
• Quick assembly and disassembly enabled by coarse UNC thread spacing, reducing installation time in industrial maintenance
• Precise thread engagement with Class 2B fit, ensuring consistent clamping force and vibration resistance
• High-torque capability from the standard external hex profile (1 5/16" width), allowing secure wrenching without stripping
• Enhanced durability with a robust 3/4" height, providing ample thread contact for heavy-duty fastening needs
• Regulatory compliance assurance meeting RoHS 3 standards, guaranteeing safe use in regulated industrial sectors

Professional Applications & Engineering Value

This 7/8"-9 UNC left hand hex nut delivers critical performance in applications where standard right-hand threads would unscrew under counter-clockwise rotation. Machined from 316 Stainless Steel, it resists pitting and chloride-induced corrosion in offshore equipment, food processing machinery, and chemical plant assemblies. The coarse thread spacing maintains holding power even when exposed to vibration or thermal cycling, while the Class 2B thread fit provides consistent engagement without galling. Engineers specify this external hex nut for drive systems, pump shafts, and conveyor mechanisms where reverse-thread retention is essential for operational safety and reduced downtime.

Specification Summary & Compliance

Manufactured to inch-system standards with UNC coarse threads and Class 2B thread fit tolerances. Dimensions include 1 5/16" width across flats and 3/4" height. Fully compliant with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous substances. Suitable for use under ASME/ANSI mechanical fastening specifications.