S-90475A036 3/4"-16 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating, extending service life in harsh industrial environments
• Precise Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
• Space-saving thin profile (5/16" height) allows installation in confined areas without compromising strength
• Superior torque transmission through external hex drive design for secure fastening in high-vibration applications
• Fine thread spacing (16 TPI) provides improved adjustment precision and vibration resistance compared to coarse threads
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
• Optimized weight-to-strength ratio through material selection and thin profile design

Professional Applications & Engineering Value

This 3/4"-16 UNF thin hex nut delivers exceptional engineering value in applications where space constraints and corrosion resistance are critical factors. The black-oxide steel construction provides superior protection against oxidation and environmental degradation, making it ideal for automotive assemblies, industrial machinery, and outdoor equipment. The fine thread spacing and Class 2B thread fit ensure precise alignment and consistent clamping force distribution, reducing the risk of loosening under dynamic loads. Engineers specify this component for applications requiring reliable torque performance in compact designs, particularly where vibration resistance and long-term durability are essential for operational safety and reduced maintenance intervals.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2B thread fit tolerances for consistent mating with Class 2A external threads. Complies with UNF (Unified National Fine) thread specifications featuring right-hand orientation and 16 threads per inch spacing. Dimensions include 1-1/8" width across flats and 5/16" height. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial applications.