S-92117A940 1 1/2"-12 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for harsh environments and moisture-prone applications
• Reliable reverse-thread performance with left-hand threading for specialized assemblies requiring counter-rotational security
• Precision thread engagement with Class 2B fine UNF threads ensuring vibration resistance and secure fastening
• Space-saving thin profile design (27/32" height) for applications with limited clearance without compromising strength
• Easy installation and removal with standard external hex drive compatible with common wrench tools
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for safe industrial use
• Dimensional accuracy with inch system measurements ensuring perfect compatibility with existing UNF threaded components

Professional Applications & Engineering Value

This left-hand thread brass hex nut solves critical engineering challenges in applications where standard right-hand threads would loosen under counter-clockwise rotation forces. The UNF fine threading provides superior vibration resistance compared to coarse threads, making it ideal for precision machinery, automotive systems, and rotating equipment where reverse-thread security is paramount. The brass construction offers excellent corrosion resistance without sacrificing mechanical strength, particularly valuable in marine environments, plumbing systems, and electrical applications where galvanic corrosion must be prevented. The thin profile design allows installation in confined spaces while maintaining full thread engagement, providing engineers with flexible design options for compact assemblies.

Specification Summary & Compliance

This 1 1/2"-12 UNF left-hand thread hex nut features Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable thread engagement. The nut measures 2 1/4" across flats with a 27/32" height profile. Manufacturing complies with RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) compliance, meeting current environmental safety standards for industrial components.