S-92620A655 3/8"-24 x 1" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 tensile strength of 150,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
- High hardness rating (Rockwell C33) provides excellent wear resistance and durability under repetitive loads.
- Precision UNF fine threading with Class 2A fit offers secure, vibration-resistant connections for critical assemblies.
- Full threading design allows for maximum grip length and uniform load distribution across the entire fastener.
- External hex drive enables easy installation and removal with standard tools, improving assembly efficiency.
- Compliance with industry standards including ASME B18.2.1 and SAE J429 ensures consistent quality and interoperability.
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers outstanding engineering value in demanding industrial settings where failure is not an option. The steel construction combined with UNF fine threading provides superior resistance to loosening under vibration, making it ideal for machinery, automotive, and heavy equipment applications. The zinc yellow-chromate plating creates a protective barrier against corrosion, significantly extending service life in exposed environments. With its 150,000 PSI tensile strength and Rockwell C33 hardness, this fastener maintains integrity under extreme loads, solving critical fastening challenges in structural assemblies, engine components, and high-stress industrial systems where reliability and durability are paramount.
Specification Summary & Compliance
This 3/8"-24 UNF hex head screw features Class 2A thread fit for precise dimensional accuracy and optimal engagement. Manufactured to meet ASME B18.2.1 and SAE J429 specifications, ensuring consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances and meeting the latest compliance standards for industrial use.
