S-91847A429 1/4"-28 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, ideal for harsh environments and long-term reliability.
- Space-saving thin profile (5/32" height) allows for use in compact assemblies where standard nuts won't fit.
- Precise Class 2B thread fit ensures smooth, reliable engagement with mating bolts, reducing assembly time and risk of cross-threading.
- Fine UNF thread (1/4"-28) provides increased adjustability and vibration resistance compared to coarse threads.
- External hex drive design offers easy installation and removal with standard wrenches, improving maintenance efficiency.
- Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
- Consistent 7/16" width delivers uniform torque application and secure fastening across multiple installations.
Professional Applications & Engineering Value
This 1/4"-28 UNF thin hex nut is engineered to solve critical space and corrosion challenges in industrial settings. Its 18-8 stainless steel composition provides excellent resistance to rust and chemical exposure, making it suitable for automotive, electronics, and marine applications where moisture is a concern. The fine thread spacing and Class 2B thread fit deliver superior vibration resistance and precise clamping force in high-stress assemblies. The thin profile is particularly valuable in compact machinery, control panels, and precision instruments where every millimeter counts, while the external hex drive ensures compatibility with standard tools for rapid maintenance and reduced downtime.
Specification Summary & Compliance
This nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy. Manufactured from 18-8 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring it is free from hazardous substances. Key dimensions include a 1/4"-28 thread size, 7/16" width, and 5/32" height, providing reliable performance in accordance with industrial fastener specifications.
