S-92865A220 3/8"-24 x 1 3/4" 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
- Superior tensile strength with 120,000 psi rating ensures reliable performance in demanding applications
- Enhanced corrosion resistance through zinc plating extends service life in harsh environments
- Precise UNF fine threading provides superior vibration resistance and secure fastening
- Grade 5 steel construction delivers optimal strength-to-weight ratio for heavy-duty applications
- Class 2A thread fit guarantees consistent installation and removal without binding
- External hex drive design enables high-torque installation with standard tools
- Full threading along the entire 1 3/4" length allows for maximum adjustment flexibility
Professional Applications & Engineering Value
This 3/8"-24 UNF Grade 5 hex head screw addresses critical engineering challenges in industrial fastening systems. The fine thread configuration provides superior resistance to vibration loosening, making it ideal for machinery, automotive assemblies, and structural applications where dynamic loads are present. The zinc plated finish creates a protective barrier against corrosion, significantly extending service life in environments exposed to moisture and chemicals. With Rockwell C25 hardness and 120,000 psi tensile strength, this fastener maintains structural integrity under extreme stress conditions. The external hex drive facilitates high-torque installation without stripping, while the fully threaded design ensures maximum engagement depth for secure connections in critical assemblies.
Specification Summary & Compliance
This hex head screw features precision Class 2A thread fit with UNF fine threading (3/8"-24) and meets ASME B18.2.1 and SAE J429 Grade 5 specifications. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications. Manufactured from high-strength steel with zinc plating for corrosion protection, it maintains dimensional accuracy and performance consistency throughout its service life.
