S-90499A842 7/8"-9 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength with Grade 8 steel construction, ideal for high-stress industrial applications requiring reliable fastening under extreme loads.
• Superior thread engagement due to Class 2B thread fit, ensuring precise, secure connections that resist loosening in vibrating environments.
• Easy and quick installation with a standard external hex drive and coarse UNC threads, reducing assembly time and labor costs.
• Enhanced durability from robust steel material, providing long-lasting performance in harsh conditions without corrosion or wear.
• Wide compatibility with 7/8"-9 UNC coarse threaded bolts, making it versatile for various machinery and structural assemblies.
• Regulatory compliance with RoHS 3 and REACH standards, ensuring safe, eco-friendly use in global industrial supply chains.
• Optimized size at 1 5/16" width and 3/4" height for a balanced grip and space efficiency in tight engineering layouts.

Professional Applications & Engineering Value

This Grade 8 steel hex nut with 7/8"-9 UNC coarse threads and Class 2B thread fit is engineered to address critical challenges in heavy machinery, construction, and automotive sectors. Its high-strength material resists deformation under torque and vibration, preventing joint failure in demanding environments. The coarse thread design facilitates faster assembly and disassembly, reducing downtime in maintenance operations. Paired with an external hex drive, it allows for efficient tightening with standard tools, enhancing workflow productivity. Ideal for structural frames, engine components, and industrial equipment, this nut ensures reliable performance where safety and durability are paramount, backed by RoHS 3 and REACH compliance for environmental responsibility.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for precise dimensional accuracy and smooth engagement. Manufactured from Grade 8 steel, it meets rigorous strength requirements for industrial fasteners. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global applications. Dimensions are 1 5/16" width and 3/4" height, with right-hand threading for standard use.