S-91847A520 1/2"-13 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Space-saving thin profile (5/16" height) allows for use in tight assemblies without compromising on strength.
• Reliable coarse threading (UNC 1/2"-13) ensures quick and easy installation, reducing assembly time and labor costs.
• Precise Class 2B thread fit guarantees consistent engagement and vibration resistance in demanding applications.
• External hex drive design provides excellent torque transmission and tool accessibility for secure fastening.
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
• Durable inch-system sizing (3/4" width) offers compatibility with standard tools and components for seamless integration.

Professional Applications & Engineering Value

This 1/2"-13 UNC thin hex nut delivers exceptional engineering value by addressing common industrial challenges like corrosion, space constraints, and assembly efficiency. Crafted from 18-8 stainless steel, it resists rust and chemical exposure in outdoor, marine, or chemical processing settings. The thin profile and coarse UNC thread enable rapid installation in confined areas, reducing downtime in assembly lines and machinery maintenance. Its Class 2B thread fit and external hex drive ensure a secure, vibration-resistant connection, critical for heavy-duty equipment, automotive systems, and structural frameworks. By combining corrosion resistance with precise inch-system dimensions, this nut minimizes failure risks and enhances operational reliability across diverse sectors.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a 1/2"-13 thread size and Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to precise specifications, including a 3/4" width and 5/16" height, it supports reliable performance in industrial fastening applications.