S-92865A721 1/2"-13 x 2 1/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 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 load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications.
- Superior corrosion resistance from zinc plating, extending service life in harsh industrial environments.
- High hardness rating of Rockwell C25 ensures excellent wear resistance and durability.
- Easy installation and removal with external hex drive and coarse UNC threads for quick assembly.
- Precise thread fit with Class 2A tolerance, ensuring secure connections and reducing loosening risks.
- Full threading along the 2 1/4" length provides maximum grip and uniform stress distribution.
- Compliance with industry standards including ASME B18.2.1 and SAE J429 for consistent quality and reliability.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in industrial settings where high tensile strength and corrosion resistance are paramount. Made from zinc plated steel, it combats rust and degradation in environments exposed to moisture or chemicals. The UNC coarse thread and Class 2A fit enable rapid assembly with minimal cross-threading, ideal for machinery, structural frameworks, and heavy equipment. Its fully threaded design ensures even load distribution, reducing stress concentrations and enhancing joint integrity. By meeting ASME B18.2.1 specifications, it delivers consistent performance in construction, automotive, and manufacturing applications, providing a reliable solution for industrial fasteners that demand durability and compliance.
Specification Summary & Compliance
This fastener features a 1/2"-13 UNC thread with Class 2A dimensional accuracy and coarse spacing, manufactured to ASME B18.2.1 and SAE J429 Grade 5 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to global industry requirements.
