S-99612A224 1 1/2"-6 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- Exceptional strength and reliability from Grade 5 steel, capable of withstanding high-torque applications without failure
- Secure left-hand thread engagement prevents loosening in counter-rotating machinery and specialized equipment
- Optimized thin profile design reduces weight and bulk while maintaining full fastener performance
- Precise Class 2B thread fit ensures smooth assembly and consistent clamping force in coarse UNC threading
- Broad compatibility with standard 1 1/2"-6 UNC components and standard wrenching tools
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This left-hand thread hex nut addresses critical safety and performance requirements in rotating machinery and specialized equipment where conventional right-hand threads would naturally loosen. The Grade 5 zinc-plated steel construction provides both the mechanical strength for high-stress applications and corrosion protection for extended service life in industrial environments. The thin hex profile offers space-saving advantages without compromising on the UNC coarse thread engagement, making it ideal for equipment maintenance, automotive assemblies, and heavy machinery where left-hand fastening is essential for safety and operational integrity. The combination of Class 2B thread fit and standardized dimensions ensures reliable performance across various industrial applications.
Specification Summary & Compliance
This hex nut features 1 1/2"-6 UNC left-hand coarse threading with Class 2B thread fit for precise engagement. Manufacturing complies with standard dimensional requirements for thin hex nuts (2 1/4" width, 27/32" height). The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental regulatory adherence for industrial distribution and use.
