S-98514A029 1/4"-20 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh environments and extending service life
• Space-saving thin profile (5/32" height) enables use in compact assemblies without compromising strength
• Reliable coarse UNC threading ensures quick installation and reduced cross-threading risk in high-vibration applications
• Precision Class 2B thread fit guarantees consistent engagement and secure fastening with mating components
• External hex drive design allows for standard tool compatibility and high-torque application capability
• Full regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Optimized for industrial efficiency with right-hand threading and 1/4"-20 size for common inch-system machinery and equipment

Professional Applications & Engineering Value

This 1/4"-20 UNC thin hex nut addresses critical challenges in industrial assembly, where corrosion resistance and space constraints are paramount. The Black-Oxide 18-8 Stainless Steel material provides a durable barrier against moisture, chemicals, and oxidation, significantly reducing maintenance needs in outdoor, marine, or chemical processing equipment. Its thin hex nut profile is engineered for tight clearances in machinery frames, electrical enclosures, and automotive subsystems, while the coarse UNC thread and Class 2B thread fit ensure rapid, secure installations—minimizing assembly time and preventing loosening under dynamic loads. This combination of corrosion-resistant properties and precise external hex drive design delivers long-term reliability for OEM and MRO applications, enhancing overall system uptime.

Specification Summary & Compliance

This nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy per inch standards. Key dimensions include a 7/16" width and 5/32" height, with right-hand thread direction and external hex drive style. It is manufactured from Black-Oxide 18-8 Stainless Steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and substance restrictions for industrial use.