S-95355A263 5/8"-18 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional 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 counter-rotating machinery applications.
• Precise fine thread engagement with UNF 5/8"-18 and Class 2B fit, ensuring tight, vibration-resistant connections.
• Easy installation and removal using standard wrenches on the external hex drive, reducing assembly time and labor costs.
• Durable industrial performance from the standard hex profile, providing high torque capability and long service life.
• Environmental and regulatory compliance with RoHS 3 standards, meeting global safety requirements for hazardous substances.
• Consistent dimensional accuracy with 15/16" width and 35/64" height, enabling seamless integration into existing assemblies.

Professional Applications & Engineering Value

This 5/8"-18 UNF left-hand thread hex nut in 316 Stainless Steel addresses critical challenges in industries where standard right-hand threads may fail due to rotational forces. The fine thread design and Class 2B thread fit provide enhanced clamping force and resistance to vibration, making it suitable for high-stress applications like automotive, aerospace, and heavy machinery. The corrosion-resistant material ensures longevity in moist or corrosive settings, reducing maintenance frequency and downtime. Its external hex drive allows for efficient tool access, streamlining installation in confined spaces and improving overall assembly efficiency for B2B procurement needs.

Specification Summary & Compliance

This hex nut features a 5/8"-18 UNF left-hand fine thread with Class 2B thread fit for precise dimensional tolerances, adhering to standard inch measurement systems. It complies with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and alignment with industry standards for hazardous substance restrictions. The specifications include a width of 15/16" and height of 35/64", supporting reliable performance in various engineering applications.