S-93425A235 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Class 2B fine threading that maintains tight connections in high-stress environments
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in industrial conditions
• Reliable left-hand thread design prevents loosening in counter-rotating applications and specialized machinery
• Precision UNF thread compatibility ensures perfect mating with standard 1/2"-20 UNF components
• Grade 2 strength classification provides dependable performance for general industrial fastening requirements
• Standard external hex drive allows for easy installation and removal with common wrench tools
• Full regulatory compliance meets RoHS 3 and REACH standards for safe use across global markets

Professional Applications & Engineering Value

This left-hand thread hex nut delivers critical engineering solutions where conventional right-hand threads would loosen under specific rotational forces. The zinc-plated steel construction provides essential corrosion resistance for industrial equipment exposed to moisture and harsh environments, while the Class 2B fine thread profile offers superior vibration resistance compared to coarse threading. The UNF thread standard ensures compatibility with precision machinery components, making these nuts ideal for automotive assemblies, manufacturing equipment, and specialized machinery requiring reverse-thread security. The combination of Grade 2 strength and precise 1/2"-20 thread sizing creates a reliable fastening solution that maintains integrity under moderate stress conditions.

Specification Summary & Compliance

This hex nut features Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and proper mating with Class 2A external threads. Manufacturing complies with industry standards for inch system fasteners with specified dimensions of 3/4" width and 7/16" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no substances of very high concern above threshold limits. The Grade 2 strength classification confirms appropriate mechanical properties for general industrial applications.