S-92865A227 3/8"-24 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
- Superior tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Enhanced corrosion resistance from zinc plating protects against rust and environmental damage, extending service life in harsh conditions.
- Precise Class 2A thread fit with UNF fine threading provides secure, vibration-resistant connections, minimizing loosening over time.
- Grade 5 strength classification and Rockwell C25 hardness offer excellent durability and load-bearing capacity for heavy-duty use.
- External hex drive design allows for easy installation and high torque application with standard tools, improving assembly efficiency.
- Full threading along the 3 1/2" length ensures maximum grip and adjustability in various material thicknesses.
- Compliance with ASME B18.2.1/SAE J429 standards guarantees consistent quality and interoperability in industrial settings.
Professional Applications & Engineering Value
This 3/8"-24 UNF Grade 5 hex head screw is engineered to address critical challenges in demanding environments, such as machinery assembly, construction, and automotive systems. The zinc plated steel construction combats corrosion, reducing maintenance needs in humid or outdoor applications. Its fine UNF threading and Class 2A fit deliver superior clamping force and vibration resistance, preventing joint failure in dynamic loads. With a high tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands extreme pressures, making it ideal for structural frames, heavy equipment, and other industrial fastening scenarios where reliability is paramount.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit tolerances and UNF fine thread standards, ensuring precise engagement. It meets ASME B18.2.1 and SAE J429 specifications for Grade 5 bolts, confirming dimensional accuracy and performance consistency. Additionally, it is RoHS 3 (2015/863/EU) compliant, supporting environmental and safety regulations in global supply chains.
