S-90201A363 7/16"-14 x 2" Extreme-Strength Grade 9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 180,000 PSI ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance from Zinc Yellow-Chromate plating extends service life in harsh environments, minimizing maintenance and replacement costs.
• High hardness rating (Rockwell C38) provides excellent wear resistance and durability under heavy loads and repetitive use.
• Coarse UNC threading with Class 2A fit allows for quick and easy installation, reducing assembly time while maintaining secure fastening.
• Partially threaded design offers optimal grip and clamping force, ideal for applications requiring precise joint control.
• External hex drive enables straightforward tightening with standard tools, enhancing efficiency in maintenance and assembly operations.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence, supporting sustainable procurement practices.

Professional Applications & Engineering Value

This Grade 9 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as construction machinery, automotive assemblies, and structural frameworks. The steel material combined with Zinc Yellow-Chromate plating provides robust protection against corrosion and oxidation, extending fastener lifespan in outdoor or chemically exposed environments. With a coarse UNC thread and Class 2A fit, it ensures rapid installation and reliable holding power, reducing downtime in production lines. The partial threading design concentrates stress effectively, preventing loosening under vibration and dynamic loads. Ideal for applications demanding high-strength fasteners with consistent performance, this screw delivers engineering value through enhanced safety, durability, and compliance with industry standards.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading (7/16"-14) for efficient assembly. It meets stringent manufacturing specifications with a tensile strength of 180,000 PSI and Rockwell C38 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it ensures environmental safety and aligns with global regulatory requirements for industrial components.