S-90580A109 1/2"-13 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced torque resistance with an extra wide hex profile and external hex drive for secure tightening in high-stress applications
• Superior corrosion protection from the black-oxide steel finish, extending service life in demanding industrial environments
• Reliable thread engagement with Class 2B coarse UNC threads, ensuring easy assembly and reduced cross-threading risks
• High-strength performance meeting ASTM Grade C standards for dependable load-bearing in heavy-duty fastening
• Wide compatibility with 1/2"-13 UNC coarse threaded bolts, ideal for various machinery and structural uses
• Environmental compliance with RoHS 3 and REACH regulations, supporting safe and sustainable manufacturing processes
• Durable construction per ASTM A563 specifications, providing consistent quality and long-term reliability

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The black-oxide steel material offers excellent resistance to rust and wear, making it suitable for outdoor equipment, automotive assemblies, and construction frameworks exposed to harsh conditions. Its extra wide profile and external hex drive allow for higher torque application with standard tools, reducing installation time and improving joint integrity. The 1/2"-13 UNC coarse thread design facilitates quick alignment and secure fastening in applications where fine threads may be prone to damage, ensuring minimal maintenance and enhanced safety in industrial fastening systems.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent compatibility with mating components. It conforms to ASTM A563 manufacturing guidelines and ASTM Grade C strength requirements, guaranteeing mechanical reliability. 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 global industrial use.