S-98694A155 1 1/8"-7 Square Nuts

Key Features & Benefits at a Glance

• High tensile strength from Grade 5 steel ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure.
• Superior corrosion resistance with zinc-plated coating extends service life in harsh industrial environments, minimizing maintenance needs.
• Easy installation and removal with external square drive design allows for quick assembly using common tools, saving time and labor costs.
• Secure thread engagement provided by Class 2B coarse UNC threads offers consistent fit and vibration resistance in high-stress conditions.
• Wide compatibility with 1 1/8"-7 UNC coarse threaded bolts makes it ideal for various machinery and structural assemblies.
• Compliance with environmental standards including RoHS 3 and REACH ensures safe, sustainable use without hazardous substances.
• Durable construction with precise 1 11/16" width and 1" height maintains dimensional stability for long-term reliability.

Professional Applications & Engineering Value

This Grade 5 square nut is engineered to address common industrial challenges, such as vibration loosening and corrosion in demanding settings. Constructed from zinc-plated steel, it provides excellent durability against moisture and chemicals, making it suitable for outdoor equipment, agricultural machinery, and construction frameworks. The UNC coarse thread with Class 2B fit ensures easy starts and robust holding power, reducing assembly errors and enhancing safety in heavy-duty applications. Its external square drive allows for efficient torque application, streamlining maintenance in tight spaces. Ideal for use with inch-system components, this nut delivers consistent performance in automotive, manufacturing, and infrastructure projects, where high-strength fasteners are critical for operational integrity.

Specification Summary & Compliance

This square nut features a 1 1/8"-7 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and reliable engagement. Manufactured from Grade 5 zinc-plated steel, it adheres to industry standards for strength and durability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.