S-91952A140 1/2"-13 ASME B18.2.2 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 from silicon bronze material, ideal for marine and harsh industrial environments
- Reduced weight and material usage with thin profile design while maintaining full functionality
- Reliable thread engagement with Class 2B thread fit ensuring consistent performance in assembly operations
- Industry-standard compatibility meeting ASME B18.2.2 specifications for interchangeability and quality assurance
- Easy installation and removal with external hex drive design and right-hand UNC coarse threading
- Environmental compliance with REACH and RoHS 3 standards for safe use in regulated applications
- Space-efficient design with compact 5/16" height and 3/4" width for constrained assembly areas
Professional Applications & Engineering Value
This silicon bronze hex nut delivers exceptional value in applications where corrosion resistance is paramount. The silicon bronze material provides excellent protection against saltwater corrosion and atmospheric degradation, making these thin hex nuts ideal for marine hardware, coastal structures, and chemical processing equipment. The 1/2"-13 UNC coarse thread configuration ensures rapid assembly and disassembly while maintaining secure fastening in high-vibration environments. With its thin profile design, this nut offers significant space savings without compromising strength, perfect for compact assemblies and weight-sensitive applications. The external hex drive allows for standard wrench access, facilitating efficient installation in both production and maintenance scenarios across various industrial sectors.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit with 1/2"-13 UNC coarse threading and right-hand thread direction. Manufacturing complies with ASME B18.2.2 specifications, ensuring dimensional accuracy and performance reliability. The nut measures 3/4" across flats and 5/16" in height, classified as a thin profile hex nut. Environmental compliance includes REACH (EC 1907/2006) adherence and RoHS 3 (2015/863/EU) compliance with exemption 6(a)-I for lead as an alloying element in steel composition.
