S-92891A400 1/2"-13 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications
• Reliable coarse threading using UNC 1/2"-13 specification for faster assembly and reduced cross-threading risk in industrial settings
• Precise Class 2B thread fit ensures consistent engagement and vibration resistance for long-term fastening integrity
• External square drive design provides excellent grip for wrenching in tight spaces and high-torque applications
• Robust dimensional profile with 13/16" width and 7/16" height offers substantial bearing surface for enhanced load distribution
• Full regulatory compliance with RoHS 3 and REACH standards, meeting stringent industrial safety and environmental requirements
• Right-hand thread orientation delivers standard directional tightening compatible with most industrial equipment

Professional Applications & Engineering Value

This 316 stainless steel square nut delivers exceptional performance where corrosion resistance and mechanical strength are critical. The UNC coarse thread configuration enables rapid installation in structural frameworks, machinery assemblies, and heavy equipment maintenance, while the external square drive allows secure tool engagement even in confined spaces. Engineers specify this component for applications requiring Class 2B thread fit precision, which maintains clamping force under dynamic loads and vibration. The combination of corrosion-resistant material and standardized threading makes it ideal for wastewater treatment plants, marine hardware, chemical processing equipment, and food industry applications where environmental factors degrade inferior fasteners.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 13/16" width and 7/16" height, this square nut features UNC 1/2"-13 coarse threads with Class 2B thread fit tolerances for consistent performance. The component conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring adherence to environmental and safety regulations for industrial hardware.