S-90509A036 3/8"-16 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance due to brass material, ideal for harsh industrial environments and extending service life.
• Easy manual installation and removal with external square drive design, reducing assembly time and tool requirements.
• Reliable thread engagement with Class 2B coarse UNC threads, ensuring secure fastening and vibration resistance.
• Durable construction with 5/8" width and 1/4" height, providing robust performance in heavy-duty applications.
• Compliance with environmental standards including REACH and RoHS 3, meeting global regulatory demands for safe usage.
• Wide compatibility with 3/8"-16 UNC right-hand threaded components, simplifying inventory and replacement processes.
• Cost-effective maintenance through long-lasting brass material, minimizing downtime and replacement costs.

Professional Applications & Engineering Value

This 3/8"-16 UNC brass square nut is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The brass material offers excellent resistance to rust and degradation, making it suitable for applications in marine, electrical, and plumbing systems where moisture and chemicals are present. Its coarse thread design and Class 2B thread fit provide a secure hold that withstands dynamic loads and vibrations, reducing the risk of failure in machinery and equipment. The external square drive allows for quick installation with standard tools, enhancing productivity in maintenance and manufacturing workflows. Ideal for industrial fastening solutions, this nut ensures reliable performance in demanding environments while adhering to REACH and RoHS compliance for environmental safety.

Specification Summary & Compliance

This square nut features precise Class 2B thread fit with 3/8"-16 UNC coarse threads and right-hand thread direction, manufactured to standard inch system dimensions (5/8" width, 1/4" height). It complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, including exemption 6(a)-I for lead as an alloying element, ensuring adherence to international environmental and safety standards for industrial use.