S-93031A178 3/4"-16 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Secure left-hand thread engagement prevents loosening in counter-rotating machinery and specialized equipment applications
• Space-saving thin profile design reduces weight and bulk where standard hex nuts are too large
• Precise Class 2B thread fit ensures smooth assembly and reliable, vibration-resistant connections
• Fine UNF thread spacing provides superior clamping force and load distribution in high-stress applications
• Easy installation and removal with standard external hex drive compatible with common wrenches
• Full regulatory compliance with RoHS 3 and REACH standards for safe, environmentally responsible industrial use

Professional Applications & Engineering Value

This 3/4"-16 UNF left-hand thin hex nut delivers critical performance where standard right-hand threads fail. The 316 stainless steel material offers superior corrosion resistance in marine, chemical processing, and food industry applications, resisting pitting and crevice corrosion. The left-hand thread direction is engineered specifically for rotating assemblies where reverse rotation occurs, preventing accidental disassembly. Combined with the thin hex profile, it solves space constraints in compact machinery and equipment while maintaining full Class 2B thread precision for vibration-resistant, leak-proof connections in hydraulic systems and precision instrumentation.

Specification Summary & Compliance

Manufactured to UNF fine thread standards with Class 2B thread fit tolerance for consistent engagement. Dimensions: 3/4"-16 thread size, 1-1/8" width, 27/64" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to industrial safety and environmental standards for hazardous substance restrictions.