S-98514A520 1/2"-13 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance provided by Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments.
• Space-saving thin profile (5/16" height) allows for use in compact assemblies without compromising strength.
• Reliable coarse UNC threading ensures quick assembly and reduced cross-threading risk in high-vibration applications.
• Precise Class 2B thread fit guarantees consistent engagement and secure fastening with mating components.
• Durable external hex drive offers excellent torque transmission and tool accessibility for efficient installation.
• Full regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements.
• Standard 3/4" width ensures compatibility with common wrenches and simplifies inventory management.

Professional Applications & Engineering Value

This 1/2"-13 UNC thin hex nut is engineered to address critical challenges in industrial fastening, where corrosion resistance and dimensional precision are paramount. The Black-Oxide 18-8 Stainless Steel construction provides a robust barrier against oxidation and chemical exposure, extending service life in demanding settings like machinery, outdoor structures, and marine equipment. Its thin hex nut profile is specifically designed for applications with limited clearance, such as tight enclosures or layered assemblies, without sacrificing the holding power of a coarse UNC thread. The Class 2B thread fit ensures smooth, reliable mating with bolts, reducing installation time and preventing thread damage. This combination of material durability and exacting thread standards makes it a trusted choice for engineers seeking long-term reliability and compliance in industrial hex nuts.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. Key specifications include a thread size of 1/2"-13, width of 3/4", and height of 5/16". It is manufactured from 18-8 Stainless Steel with a Black-Oxide finish and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency.