S-90570A735 3/4"-10 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional Load Distribution with extra wide profile design for superior stress dispersion in heavy-duty applications
• Left-Hand Thread Security prevents unintentional loosening in rotating machinery and specialized equipment
• Grade 5 Steel Strength delivers reliable performance under substantial mechanical stress and vibration
• Coarse UNC Thread Efficiency enables faster assembly and reduced cross-threading risks
• Class 2B Thread Precision ensures smooth engagement and consistent torque performance
• Regulatory Compliance Assurance meets RoHS 3 and REACH standards for industrial safety requirements
• External Hex Drive Compatibility provides standard tool engagement for maintenance accessibility

Professional Applications & Engineering Value

This Grade 5 steel hex nut with left-hand UNC coarse threads addresses critical engineering challenges in industrial environments where reverse-rotation applications demand specialized fastening solutions. The extra wide profile significantly enhances load-bearing capacity, distributing stress more effectively across connected surfaces to prevent material deformation in heavy machinery, construction equipment, and automotive assemblies. The left-hand thread direction provides essential security in rotating systems where conventional right-hand threads would naturally loosen, making it ideal for counter-rotating shafts, mixer blades, and specialized mechanical drives. Manufactured from Grade 5 steel, this fastener maintains integrity under substantial vibration and mechanical stress while the coarse thread pitch ensures reliable performance in applications requiring frequent maintenance or assembly in challenging conditions.

Specification Summary & Compliance

This 3/4"-10 UNC hex nut features Class 2B thread fit tolerance for precise engagement, manufactured to inch measurement standards with dimensions of 1 1/4" width and 47/64" height. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. The Grade 5 strength classification confirms consistent mechanical properties suitable for industrial applications requiring reliable performance under demanding conditions.