S-93430A410 5/16"-18 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from the hot-dipped galvanized steel coating, ensuring long-term reliability in harsh industrial environments.
• Excellent holding power with UNC coarse threading, designed for quick assembly and reduced risk of cross-threading in demanding applications.
• Precise thread fit with Class 2B tolerance, providing consistent engagement and vibration resistance for secure fastening.
• Easy installation and removal thanks to the external square drive, allowing for high-torque application with standard tools.
• Durable construction in a 9/16" width and 17/64" height, offering robust performance in heavy-duty mechanical assemblies.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Right-hand thread design for standard directional tightening, compatible with common inch-system components.

Professional Applications & Engineering Value

This 5/16"-18 square nut is engineered to address common industrial challenges such as corrosion and vibration loosening. Constructed from hot-dipped galvanized steel, it provides a thick, protective zinc layer that withstands moisture, chemicals, and outdoor exposure, making it ideal for construction, agricultural machinery, and infrastructure projects. The UNC coarse thread and Class 2B fit ensure reliable performance in high-stress environments, reducing maintenance needs and downtime. Its external square drive allows for secure gripping with wrenches, enhancing torque application in tight spaces. Suitable for assembly lines, equipment repairs, and structural frameworks, this nut delivers consistent corrosion resistance and durability, meeting the rigorous demands of B2B industrial procurement.

Specification Summary & Compliance

This square nut features a 5/16"-18 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and ease of assembly. Manufactured from hot-dipped galvanized steel, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental safety and quality in industrial applications. The nut's dimensions include a width of 9/16" and height of 17/64", adhering to inch system measurements for broad compatibility.