S-95195A190 1/2"-20 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 18-8 stainless steel construction for extended service life in harsh environments
- Enhanced thread engagement through Class 2B fine thread fit ensuring secure, vibration-resistant connections
- Left-hand threading compatibility for specialized applications requiring reverse rotation security
- Optimal torque transmission with standard external hex drive design for reliable installation
- Precision UNF thread form maintaining consistent 1/2"-20 fine thread spacing for accurate mating
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
- Dimensional reliability with standard hex profile ensuring consistent wrench engagement
Professional Applications & Engineering Value
This left-hand thread hex nut addresses critical reverse-rotation requirements in industrial machinery, automotive systems, and specialized equipment where standard right-hand threads would loosen under specific operational forces. The 18-8 stainless steel composition provides exceptional corrosion resistance while maintaining structural integrity in demanding environments. Engineered with UNF fine threading and Class 2B fit, this fastener delivers superior vibration resistance and precise thread engagement, preventing accidental disassembly in high-stress applications. The external hex drive configuration ensures maximum torque application during installation, making it ideal for maintenance-critical assemblies requiring reliable, long-term performance.
Specification Summary & Compliance
This 1/2"-20 UNF left-hand thread hex nut features precision Class 2B thread fit tolerances with fine thread spacing, manufactured to standard inch system specifications. The component maintains dimensional accuracy with 3/4" width and 7/16" height in standard hex profile. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in industrial applications worldwide.