S-90494A141 1 3/8"-12 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced durability and reliability with Grade 2 steel construction, ideal for demanding industrial environments.
• Precise thread engagement and reduced loosening thanks to Class 2B thread fit, ensuring secure fastening in high-vibration applications.
• Space-saving design with a thin profile (25/32" height), allowing use in confined assemblies without compromising strength.
• Superior torque transmission via the external hex drive, facilitating easy installation and removal with standard tools.
• Fine thread spacing (12 TPI) provides improved adjustment and clamping force control in precision assemblies.
• Full compliance with RoHS 3 and REACH standards, ensuring environmental safety and regulatory adherence for global supply chains.
• Right-hand threading offers compatibility with common fastener systems, streamlining inventory and assembly processes.

Professional Applications & Engineering Value

This 1 3/8"-12 UNF thin hex nut is engineered to address critical challenges in heavy-duty and precision applications, such as machinery, automotive, and construction assemblies. Made from Grade 2 steel, it delivers excellent tensile strength and resistance to wear, reducing the risk of failure under stress. The Class 2B thread fit and fine thread spacing ensure tight, reliable connections that minimize backlash and vibration-induced loosening, crucial for maintaining integrity in dynamic environments. Its thin hex nut profile allows for efficient use in space-constrained designs, while the external hex drive enables quick installation with standard wrenches. Compliant with RoHS 3 and REACH, it meets stringent industrial safety and environmental standards, making it a trusted choice for B2B procurement in global markets.

Specification Summary & Compliance

This hex nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. Manufactured to Grade 2 strength specifications, it ensures reliable performance in inch-system applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.