S-95362A532 5/8"-11 x 3" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-168 Mil. Spec. High-Strength Steel Hex Head Screws
Mil. Spec. High-Strength Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments.
- High hardness rating (Rockwell C33) provides excellent wear resistance and durability under heavy loads.
- Coarse UNC threading allows for quick installation and secure fastening in a variety of materials.
- External hex drive design offers easy torque application with standard tools, improving assembly efficiency.
- Compliance with major standards (ASME B18.2.1, SAE J429, ASTM A354BD) guarantees consistent quality and interchangeability.
- REACH regulatory compliance ensures safe use in industrial settings, meeting environmental and health standards.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as construction, machinery assembly, and structural frameworks. The partially threaded design provides optimal clamping force where needed, while the steel material and zinc yellow-chromate plating combat corrosion, extending lifespan in outdoor or corrosive environments. With a coarse UNC thread and Class 2A thread fit, it ensures easy alignment and secure fastening, reducing installation time and minimizing loosening under vibration. Ideal for projects demanding high tensile strength and reliability, this fastener supports efficient, long-lasting performance in demanding engineering scenarios.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading (5/8"-11) for robust performance. It meets stringent manufacturing specifications such as ASME B18.2.1, SAE J429, and ASTM A354BD, ensuring high-quality production. Additionally, it is REACH (EC 1907/2006) compliant, supporting safe and environmentally responsible use in industrial applications.
