S-90496A055 3"-12 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced vibration resistance through extra fine threading for superior holding power in dynamic applications
• Reliable Grade 2 steel construction provides excellent strength-to-weight ratio for demanding industrial environments
• Precision Class 2B thread fit ensures smooth installation and consistent clamping force distribution
• Space-saving thin profile design allows installation in confined areas without compromising performance
• Standard UN right-hand thread configuration enables compatibility with existing inch-system components
• Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
• Optimized 4-1/2" width provides ample wrenching surface for secure tightening operations

Professional Applications & Engineering Value

This 3"-12 extra fine thread hex nut delivers critical performance advantages in precision assembly applications where vibration resistance and thread engagement reliability are paramount. The Grade 2 steel construction combined with Class 2B thread fit creates an optimal balance between strength and installation smoothness, particularly valuable in machinery, structural frameworks, and heavy equipment where fine adjustment capabilities are essential. The thin hex nut profile addresses space constraints in complex assemblies while maintaining full UN thread standards compatibility. Engineered for industrial environments requiring consistent performance under load, this right-hand thread configuration ensures straightforward integration with standard inch system components across manufacturing, construction, and maintenance operations.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit tolerances ensuring consistent engagement with mating components. This UN thread nut adheres to standardized inch system specifications with extra fine thread spacing for specialized applications. The fastener meets Grade 2 strength classification requirements and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for regulated industrial markets and international supply chains.