S-98694A150 1"-8 Square Nuts

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity with Grade 5 strength classification, ensuring reliable performance in demanding industrial applications.
• Superior Corrosion Resistance from zinc-plated steel construction, extending service life in harsh environments.
• Quick and Secure Installation with coarse UNC threads and Class 2B fit, providing smooth engagement and vibration resistance.
• Easy Torque Application through the external square drive design, allowing for efficient wrenching without slippage.
• Wide Compatibility with standard 1"-8 UNC bolts, making it ideal for replacement or new assembly projects.
• Regulatory Compliance Assurance meeting RoHS 3 and REACH standards, ensuring safe use in regulated industries.
• Optimized Dimensions (1 1/2" width, 7/8" height) for stable seating and enhanced load distribution.

Professional Applications & Engineering Value

This heavy-duty square nut is engineered to address common industrial fastening challenges, such as joint loosening under dynamic loads and corrosion-induced failure. The zinc-plated steel material provides a durable barrier against moisture and chemicals, crucial for outdoor machinery, structural frameworks, and automotive assemblies. Its coarse UNC thread design ensures rapid installation and superior resistance to vibration—a critical feature for equipment subject to constant motion or impact. The external square drive allows for high-torque application with standard tools, reducing installation time while maintaining secure clamping force. Ideal for construction, manufacturing, and maintenance applications, this nut delivers consistent performance where reliability is non-negotiable.

Specification Summary & Compliance

This square nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent compatibility and ease of assembly. Manufactured from zinc-plated steel and classified under Grade 5 strength, it meets rigorous industrial requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency for global supply chains.