S-91332A031 3/8"-16 Square Nuts
Square Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to premium fiberglass construction, ideal for harsh industrial environments
- Excellent electrical insulation properties for safe use in electrical applications, reducing short-circuit risks
- Reliable coarse thread engagement with 3/8"-16 UNC threads for faster assembly and reduced cross-threading
- Precise Class 2B thread fit ensures smooth mating with bolts, minimizing wear and improving load distribution
- Easy installation and removal with external square drive design, allowing secure tool grip in tight spaces
- RoHS 3 compliance guarantees environmental safety and meets strict regulatory standards for industrial use
- Durable gray finish provides consistent appearance and added protection against UV and chemical exposure
Professional Applications & Engineering Value
This 3/8"-16 UNC square nut is engineered to address common industrial challenges, such as corrosion in chemical processing or electrical insulation needs in power distribution systems. Made from high-grade fiberglass material, it offers exceptional durability and non-conductive properties, preventing galvanic corrosion and electrical hazards. The coarse thread spacing and Class 2B thread fit ensure quick, reliable fastening in vibrating machinery, reducing maintenance downtime. With an external square drive style, it allows for easy wrench access in confined areas, making it ideal for assembly lines, marine equipment, and outdoor structures where corrosion resistance and long-term performance are critical.
Specification Summary & Compliance
This square nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It features a right-hand thread direction, 3/4" width, and 17/32" height, manufactured to precise inch system measurements. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring it meets environmental regulations for hazardous substance restrictions, and is suitable for applications requiring reliable performance under ASME and similar industrial specifications.
