S-92865A726 1/2"-13 x 3 1/2" 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 capability with 120,000 PSI tensile strength for heavy-duty applications requiring reliable structural integrity.
- Superior corrosion resistance from zinc plating, extending service life in demanding industrial environments.
- High-strength Grade 5 steel construction with Rockwell C25 hardness for consistent performance under stress and vibration.
- Quick and secure installation with UNC coarse threading and Class 2A fit, reducing assembly time and preventing cross-threading.
- Full-length threading ensures maximum grip and uniform load distribution along the entire 3 1/2" length.
- External hex drive design provides high torque application and easy access with standard tools in confined spaces.
- Compliance with major industry standards including ASME B18.2.1 and SAE J429, guaranteeing interchangeability and reliability.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered for heavy machinery, structural frameworks, and equipment assembly where high tensile strength and durability are critical. The zinc plated steel construction resists rust and corrosion, making it suitable for outdoor or humid environments. Its 1/2"-13 UNC coarse thread with Class 2A fit ensures fast, secure fastening with reduced risk of stripping, while the fully threaded design provides consistent clamping force. Ideal for construction, automotive, and industrial manufacturing, this screw delivers reliable performance under dynamic loads and vibrations, minimizing maintenance needs and downtime.
Specification Summary & Compliance
This fastener meets ASME B18.2.1 and SAE J429 specifications, with precise Class 2A thread fit and UNC coarse threading for consistent engagement. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. The screw features a 3 1/2" length, 1/2"-13 thread size, and is manufactured from Grade 5 steel with zinc plating for enhanced durability and corrosion protection.
