S-91850A210 1/2"-13 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life
• Enhanced wrenching surface from the extra wide hex profile, providing greater torque application and reducing slippage
• Reliable and quick assembly with coarse UNC threads and Class 2B fit, ensuring smooth engagement and consistent performance
• Durable external hex drive offers compatibility with standard tools, facilitating efficient installation and removal
• Heavy-duty load distribution due to the substantial 7/8" width and 31/64" height, increasing joint integrity
• Global compliance assurance meeting RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility
• Right-hand thread direction for standard, intuitive installation in common industrial applications

Professional Applications & Engineering Value

This heavy-duty 1/2"-13 UNC extra wide hex nut is engineered to address critical challenges in demanding industrial settings. The 316 stainless steel material provides exceptional resistance to corrosion from chemicals, saltwater, and extreme weather, making it a top choice for marine, chemical processing, and outdoor infrastructure projects. Its extra wide hex profile significantly increases the contact area with wrenches, minimizing the risk of rounding and tool slip during high-torque applications. The coarse thread design and Class 2B thread fit ensure rapid, reliable assembly with reduced cross-threading, enhancing productivity on assembly lines and in field maintenance. This nut delivers long-term reliability and performance for structural connections, machinery, and heavy equipment where vibration resistance and durability are paramount.

Specification Summary & Compliance

This nut conforms to Unified Coarse (UNC) thread standards with a Class 2B thread fit, ensuring dimensional accuracy and interchangeability. Manufactured from 316 Stainless Steel with an external hex drive and right-hand thread direction. Key dimensions include a 1/2"-13 thread size, 7/8" width, and 31/64" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to stringent environmental and safety standards for industrial use.