S-90201A541 5/8"-11 x 3 1/2" Extreme-Strength Grade 9 Steel Hex Head Screws
Extreme-Strength Grade 9 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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 needs.
- High hardness rating of Rockwell C38 provides excellent wear resistance, maintaining thread integrity over repeated use.
- Coarse UNC threading with Class 2A fit allows for quick installation and secure fastening, improving assembly efficiency.
- Partially threaded design offers optimal clamping force distribution, ideal for applications requiring precise joint control.
- External hex drive enables easy torque application with standard tools, reducing installation time and labor costs.
- Compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards for industrial components.
Professional Applications & Engineering Value
Engineered for demanding environments, this Grade 9 hex head screw combines high-strength steel and zinc yellow-chromate plating to address common industrial challenges like vibration loosening and corrosion. The 5/8"-11 UNC coarse thread and Class 2A fit provide reliable engagement in materials such as structural steel and heavy machinery, reducing the need for frequent retightening. Its partially threaded shank ensures concentrated clamping force, making it ideal for construction, automotive assembly, and infrastructure projects where durability and 180,000 PSI tensile strength are critical. This screw delivers consistent performance under extreme loads, enhancing the longevity and safety of your assemblies.
Specification Summary & Compliance
This fastener adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances. Manufactured to Grade 9 specifications, it guarantees high tensile strength and hardness for industrial use.
