S-90565A330 1/2"-20 SAE J995 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 steel construction, ideal for high-stress industrial applications
• Superior thread engagement and vibration resistance due to fine UNF threading and Class 2B fit
• Heavy-duty performance assurance through compliance with SAE J995 specifications
• Easy installation and removal with a standard external hex drive and high-profile design
• Enhanced durability and corrosion resistance from robust steel material and precise manufacturing
• Safe for regulated environments with full RoHS 3 and REACH compliance
• Wide compatibility with inch-system components and right-hand thread assemblies

Professional Applications & Engineering Value

This Grade 8 steel hex nut is engineered to address critical challenges in heavy machinery, automotive, and construction sectors where fastener failure is not an option. Its high-strength material and fine UNF thread design provide superior clamping force and resistance to loosening under dynamic loads, reducing maintenance needs and downtime. The external hex drive allows for efficient torque application with common tools, speeding up assembly in time-sensitive industrial operations. By meeting SAE J995 standards, it ensures consistent performance in demanding applications, from engine components to structural frames, delivering long-term reliability and cost savings.

Specification Summary & Compliance

This hex nut features a 1/2"-20 UNF fine thread with Class 2B thread fit for precise engagement, and dimensions of 3/4" width and 11/16" height. It conforms to SAE J995 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.