S-93425A210 5/16"-24 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments.
• Secure left-hand thread engagement prevents unintentional loosening in applications with counter-clockwise rotational forces.
• Precise Class 2B thread fit ensures smooth assembly and reliable, vibration-resistant connections in machinery.
• Grade 2 strength rating provides dependable load-bearing capacity for general-purpose and medium-duty fastening needs.
• Fine UNF thread profile (24 TPI) offers superior adjustment control and improved sealing capabilities over coarse threads.
• Standard external hex drive design allows for easy installation and removal with common wrench tools, boosting efficiency.
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety and global supply chain acceptance.

Professional Applications & Engineering Value

This 5/16"-24 UNF left-hand thread hex nut is engineered to address specific industrial challenges where reverse-threaded fasteners are critical. Crafted from zinc-plated steel, it combats rust and corrosion in humid or outdoor settings, reducing maintenance downtime. The fine thread spacing and Class 2B fit deliver tighter tolerances, minimizing backlash and enhancing joint integrity in precision equipment, automotive assemblies, and rotating machinery that experience left-hand torque. Its standard hex profile ensures compatibility with ubiquitous tools, streamlining installation in high-volume production lines. Ideal for securing components on shafts, axles, or fixtures where conventional right-hand threads would loosen under operational stress, this nut provides a reliable, Grade 2 solution that meets rigorous industrial fastener demands while adhering to environmental regulations.

Specification Summary & Compliance

This hex nut conforms to UNF fine thread standards with a size of 5/16"-24 and Class 2B thread fit for consistent dimensional accuracy. Manufactured from zinc-plated steel with a Grade 2 strength classification, it measures 1/2" in width and 17/64" in height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various global markets.