S-98514A140 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for humid or chemically aggressive environments.
• Space-saving thin profile allows for use in tight assemblies where standard nuts won't fit, without compromising strength.
• Superior thread engagement and vibration resistance due to the precision Class 2B thread fit and UNF fine thread design.
• Reliable fastening performance with a right-hand thread and external hex drive for easy installation using common tools.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and unrestricted global use.
• Durable and long-lasting construction from 18-8 Stainless Steel, providing excellent tensile strength and fatigue resistance.
• Accurate and consistent sizing with a 1/2"-20 thread and 3/4" width, ensuring perfect compatibility with matching components.

Professional Applications & Engineering Value

This 1/2"-20 UNF thin hex nut is engineered to address common industrial challenges such as component corrosion, space constraints, and the need for reliable, vibration-resistant connections. The Black-Oxide 18-8 Stainless Steel construction provides a robust barrier against rust and chemical degradation, making it suitable for outdoor equipment, marine hardware, and automotive assemblies. Its thin hex nut profile is critical in compact machinery and electronic enclosures where every millimeter counts. The Class 2B thread fit and UNF fine thread design ensure a tight, secure fit that minimizes the risk of loosening under dynamic loads, enhancing the overall safety and longevity of your mechanical systems. This nut delivers consistent performance in demanding industrial fastening applications, from precision instruments to heavy-duty frameworks.

Specification Summary & Compliance

This nut features a 1/2"-20 UNF thread with a Class 2B thread fit, ensuring precise dimensional accuracy and smooth assembly. Manufactured from 18-8 Stainless Steel with a Black-Oxide finish, it meets industry standards for inch fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety guidelines for hazardous substances.