S-93425A029 1/4"-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
- Enhanced corrosion protection through zinc plating extends service life in demanding industrial environments
- Reliable left-hand thread engagement prevents loosening in counter-rotating applications and machinery
- Superior load distribution with UNC coarse threading ensures secure fastening under vibration and stress
- Consistent dimensional accuracy with Class 2B thread fit guarantees proper mating with corresponding components
- Grade 2 strength rating provides dependable performance for general industrial applications
- Standard hex profile allows for easy installation and removal with common wrench tools
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence
Professional Applications & Engineering Value
This left-hand thread hex nut addresses critical engineering challenges in applications where standard right-hand threads would naturally loosen due to rotational forces. The zinc-plated steel construction provides essential corrosion resistance for machinery operating in humid or chemically aggressive environments. The UNC coarse thread pattern offers superior performance in high-vibration settings common to industrial equipment, automotive assemblies, and agricultural machinery. With its Grade 2 strength classification and Class 2B thread fit, this fastener delivers reliable clamping force while maintaining ease of assembly. The external hex drive design ensures compatibility with standard tools, streamlining maintenance procedures and reducing downtime in production facilities.
Specification Summary & Compliance
This hex nut features 1/4"-20 UNC coarse threading with Class 2B thread fit tolerance, ensuring precise engagement with mating components. Manufactured to inch system standards with dimensions of 7/16" width and 7/32" height. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial fasteners. The Grade 2 strength rating confirms its suitability for general purpose applications where reliable performance is essential.
