S-90498A041 1 1/2"-6 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior load distribution thanks to the extra wide hex profile, reducing surface pressure and preventing material deformation
• Enhanced durability and corrosion resistance from high-quality steel construction, ensuring long service life in demanding environments
• Reliable coarse thread engagement with UNC 1 1/2"-6 specification, providing faster assembly and reduced cross-threading risks
• Precise Class 2B thread fit ensuring smooth installation and consistent clamping force in industrial applications
• Full ASME B18.2.2 compliance guaranteeing dimensional accuracy and interchangeability with standard components
• Environmental regulation compliance with RoHS 3 and REACH standards, making them suitable for regulated industries
• Optimized for heavy-duty applications with right-hand threading and inch system compatibility for North American machinery

Professional Applications & Engineering Value

This heavy-duty extra wide hex nut addresses critical engineering challenges in industrial settings where vibration resistance and structural integrity are paramount. The steel construction combined with the extra wide profile provides superior bearing surface distribution, effectively preventing loosening under dynamic loads and reducing stress concentration on connected materials. The 1 1/2"-6 UNC coarse thread design enables rapid installation in heavy machinery, construction equipment, and structural steel applications where time-efficient assembly is crucial. Engineered to ASME B18.2.2 standards, these nuts maintain dimensional consistency across industrial maintenance and OEM manufacturing operations, while the Class 2B thread fit ensures reliable performance in high-vibration environments without compromising disassembly capability.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit with 1 1/2"-6 UNC coarse threads in right-hand direction, manufactured to exact ASME B18.2.2 specifications for dimensional accuracy. The component measures 2 3/8" across flats with 1 15/32" height, providing substantial engagement surface. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety standards are met for industrial hardware applications.