S-90565A160 5/8"-11 SAE J995 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 steel construction, ideal for high-stress industrial and mechanical applications.
• Superior thread engagement and vibration resistance due to the coarse 5/8"-11 UNC thread profile and Class 2B thread fit.
• Optimized for heavy-duty torque application featuring a high-profile external hex drive for secure tool engagement.
• Long-term durability and corrosion resistance provided by the robust steel material, ensuring a prolonged service life.
• Guaranteed compliance and interchangeability by meeting SAE J995 specifications, ensuring consistent performance.
• Enhanced safety and environmental responsibility with full RoHS 3 and REACH compliance, free from hazardous substances.
• Precise dimensional accuracy with a 15/16" width and 27/32" height for reliable fit in demanding assemblies.

Professional Applications & Engineering Value

This Grade 8 steel hex nut is engineered to solve critical challenges in heavy-duty and high-vibration environments. Its 5/8"-11 UNC coarse thread and Class 2B thread fit ensure rapid assembly and superior resistance to loosening under dynamic loads, reducing maintenance needs. The high-profile external hex drive allows for high torque application, making it ideal for construction machinery, automotive systems, and industrial equipment where failure is not an option. Manufactured from high-strength steel, it offers excellent durability and corrosion resistance, supporting long-term reliability in harsh conditions while complying with SAE J995 standards for consistent quality and performance.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for reliable engagement and UNC coarse threading per industry norms. It conforms to SAE J995 specifications, ensuring mechanical integrity and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from restricted substances. With a strength rating of Grade 8, it meets rigorous performance criteria for heavy-duty fastening applications.