S-91763A210 5/16"-18 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- Enhanced wrenching surface from the high-profile external hex design, providing better torque application and reducing slippage.
- Reliable and consistent fit due to the Class 2B thread fit, ensuring smooth assembly and secure fastening in coarse thread applications.
- Robust mechanical strength from the 1/2" width and 21/64" height, offering a durable solution for heavy-duty industrial use.
- Broad compatibility with standard 5/16"-18 UNC right-hand threaded components, simplifying sourcing and inventory.
- Compliance with stringent regulations, being RoHS 3 and REACH compliant, making them suitable for regulated industries and global supply chains.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex nut is engineered to address common industrial challenges such as vibration loosening and environmental degradation. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it a reliable choice for outdoor equipment, marine applications, and chemical processing plants where moisture and corrosive agents are present. Its high-profile design and coarse thread facilitate quick installation and high clamp load retention, reducing maintenance downtime. The Class 2B thread fit ensures a balance between ease of assembly and vibration resistance, which is critical in machinery, automotive assemblies, and structural frameworks requiring dependable, long-term performance without frequent retightening.
Specification Summary & Compliance
This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It is manufactured from 18-8 Stainless Steel with an external hex drive style and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial fastener applications.
