S-91583A614 5/8"-11 x 3 1/4" 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 from hot-dipped galvanized steel coating, ensuring long-term durability in harsh environments.
- High tensile strength of 120,000 PSI provides reliable performance for heavy-duty structural and construction applications.
- Rockwell C19 hardness offers superior wear resistance and maintains structural integrity under high stress.
- Class 2A thread fit with UNC coarse threading ensures easy installation and secure fastening in various materials.
- Partially threaded design with 2" grip length allows for precise clamping force distribution in structural connections.
- Compliance with ASME B18.2.6, ASTM A325, and ASTM F3125 guarantees consistent quality and engineering reliability.
- RoHS 3 and REACH compliant for environmentally responsible and safe usage in industrial settings.
Professional Applications & Engineering Value
Engineered for structural steel connections, bridges, and heavy machinery, these Grade A325 hex head screws address critical challenges in industrial fastening. The hot-dipped galvanized steel material provides a robust barrier against corrosion, extending service life in outdoor or high-moisture environments. With a tensile strength of 120,000 PSI and Rockwell C19 hardness, they resist deformation under dynamic loads, ensuring joint integrity. The UNC coarse thread and external hex drive facilitate quick installation with standard tools, reducing assembly time. Ideal for construction and manufacturing, these screws deliver reliable performance where high-strength and corrosion resistance are paramount.
Specification Summary & Compliance
This 5/8"-11 hex head screw features precise Class 2A thread fit and UNC coarse threading for consistent engagement. Manufactured to ASME B18.2.6, ASTM A325, and ASTM F3125 specifications, it ensures dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use.
