S-91395A180 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from fiberglass construction, ideal for harsh environments without metal degradation
• Excellent electrical insulation properties to prevent current leakage and enhance safety in electrical assemblies
• High-temperature performance up to 190°F maintains structural integrity in thermally demanding applications
• Precision Class 2B thread fit ensures smooth, reliable engagement with mating components for vibration-resistant connections
• RoHS 3 (2015/863/EU) compliance guarantees environmentally responsible manufacturing for global supply chain compatibility
• Standard UNC fine threading (1/2"-20) provides optimal load distribution and secure fastening in inch-system assemblies
• External hex drive design enables easy installation with common tools while offering reliable torque transmission

Professional Applications & Engineering Value

This fiberglass hex nut delivers critical performance advantages where electrical insulation and corrosion resistance are paramount. The gray fiberglass material eliminates galvanic corrosion risks in mixed-material assemblies while providing consistent performance in temperatures up to 190°F. Its UNC fine threading (1/2"-20) with Class 2B thread fit ensures precise engagement with mating components, reducing the risk of cross-threading in repetitive assembly operations. The standard hex profile and external hex drive design accommodate high-torque applications while maintaining compatibility with standard wrenching tools. Ideal for electrical enclosures, marine equipment, and chemical processing installations, this nut solves conductivity and degradation challenges that plague metallic alternatives.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit for consistent performance in UNC fine threading (1/2"-20) applications. The nut features a standard hex profile measuring 3/4" width and 7/16" height with right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) regulations, ensuring restriction of hazardous substances. Designed for inch system applications with external hex drive compatibility for standard installation tools.