S-90831A170 1/2"-13 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 316 Stainless Steel finish, ideal for harsh industrial environments and outdoor applications.
• Space-saving thin profile (5/16" height) allows for use in tight assemblies without compromising on strength or performance.
• Reliable coarse threading (UNC) ensures quick and easy installation, reducing assembly time and labor costs.
• Precise Class 2B thread fit guarantees smooth engagement and secure fastening, minimizing the risk of cross-threading.
• Durable external hex drive provides excellent torque transmission and tool grip, facilitating efficient installation with standard wrenches.
• Compliance with RoHS 3 and REACH ensures environmental safety and meets stringent international regulatory standards.
• Right-hand thread design offers compatibility with standard components, simplifying inventory and replacement processes.

Professional Applications & Engineering Value

This 1/2"-13 UNC thin hex nut is engineered to address common challenges in industrial fastening, such as corrosion-induced failure and space constraints. The Black-Oxide 316 Stainless Steel provides exceptional resistance to chemicals, moisture, and high temperatures, making it suitable for demanding sectors like marine, chemical processing, and construction. Its thin profile is particularly valuable in compact machinery and equipment where every millimeter counts, while the coarse UNC thread and Class 2B fit ensure rapid, reliable assembly even in high-vibration environments. By combining material durability with precise external hex drive design, this nut enhances assembly efficiency and reduces maintenance needs, delivering long-term cost savings for B2B clients.

Specification Summary & Compliance

This hex nut features a 1/2"-13 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy and smooth operation. It adheres to standard inch measurement specifications, with a width of 3/4" and height of 5/16". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.