S-90831A120 1/4"-28 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 316 Stainless Steel finish, ideal for harsh environments and extending service life.
• Precise thread engagement with Class 2B thread fit and fine UNF threads, ensuring reliable, vibration-resistant connections.
• Space-saving thin profile (5/32" height) for applications where clearance is limited without compromising strength.
• Easy installation and removal using standard tools with the external hex drive design, reducing assembly time.
• Compliance with environmental regulations including RoHS 3 and REACH, meeting global standards for safe use.
• Durable performance in demanding conditions due to 316 stainless steel material, resisting chemicals and oxidation.

Professional Applications & Engineering Value

This 1/4"-28 UNF thin hex nut is engineered to address common industrial challenges such as corrosion in marine, chemical, or outdoor settings. The Black-Oxide finish on 316 Stainless Steel provides an extra layer of protection against rust and wear, while the fine thread spacing and Class 2B thread fit offer superior holding power in high-vibration applications like machinery, automotive assemblies, and aerospace components. Its thin hex nut profile allows for use in compact designs, making it a versatile choice for engineers seeking reliable, long-lasting fastening solutions that minimize maintenance and downtime.

Specification Summary & Compliance

This nut features a 1/4"-28 UNF thread with Class 2B thread fit for precise dimensional accuracy, adhering to standard inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for various industrial applications.