S-91583A139 5/8"-11 x 2" ASME B18.2.6, ASTM A325, ASTM F3125 Medium-Strength Steel Heavy Hex Head Screws for Structural Applications
Medium-Strength Steel Heavy Hex Head Screws for Structural Applications
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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 corrosion resistance with hot-dipped galvanized steel construction, ensuring long-term reliability in harsh environments.
- High tensile strength of 120,000 PSI provides secure fastening for heavy-duty structural and industrial applications.
- Rockwell C19 hardness offers superior durability and resistance to wear under high-stress conditions.
- Coarse UNC threads enable quick installation and reduced risk of cross-threading in demanding settings.
- Partially threaded design allows for precise grip length control, enhancing joint stability and load distribution.
- External hex drive and hex head facilitate easy tightening with standard tools, improving assembly efficiency.
- Compliance with major standards including ASME B18.2.6, ASTM A325, and ASTM F3125 ensures consistent quality and performance.
Professional Applications & Engineering Value
This Grade A325 hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as construction, machinery assembly, and structural frameworks. Made from hot-dipped galvanized steel, it provides robust protection against corrosion, extending service life in outdoor or corrosive environments. The coarse UNC thread and partially threaded configuration ensure reliable engagement and vibration resistance, reducing maintenance needs. With a high tensile strength of 120,000 PSI and Rockwell C19 hardness, it withstands extreme loads and impacts, making it ideal for securing critical components where failure is not an option. This screw delivers consistent performance, meeting the demands of industrial fastening solutions that prioritize safety and durability.
Specification Summary & Compliance
This product features precise Class 2A thread fit and adheres to UNC thread standards with a size of 5/8"-11. It complies with ASME B18.2.6, ASTM A325, and ASTM F3125 specifications, ensuring dimensional accuracy and mechanical properties. Additionally, it meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), supporting sustainable and safe usage in various industries.
