S-92865A221 3/8"-24 x 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.
- Zinc plating finish provides excellent corrosion resistance, extending the service life of the screw in harsh industrial environments.
- Grade 5 steel construction with Rockwell C25 hardness offers a robust balance of strength and durability for demanding fastening tasks.
- UNF fine threading with Class 2A fit ensures precise, secure connections that resist loosening under vibration and load.
- External hex drive design allows for easy installation and removal with standard tools, improving assembly efficiency.
- Full compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interchangeability in professional applications.
- RoHS 3 compliance ensures environmental safety and regulatory adherence for global supply chain requirements.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, where vibration, high loads, and environmental exposure can compromise fastener integrity. The steel material combined with zinc plating delivers enhanced corrosion resistance, making it ideal for machinery, automotive assemblies, and structural applications. The 3/8"-24 UNF fine thread and Class 2A fit provide superior grip and alignment, minimizing the risk of stripping or cross-threading during installation. With a tensile strength of 120,000 psi and full threading, it ensures uniform stress distribution and reliable performance in demanding conditions, reducing maintenance needs and downtime.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent accuracy and UNF fine threading per industry norms. It meets ASME B18.2.1 and SAE J429 specifications for hex head screws, ensuring reliable manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant, supporting environmental and safety regulations in industrial procurement.
