S-92865A623 3/8"-16 x 7/8" 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 capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with UNC coarse thread design ensuring faster assembly and reduced cross-threading risks
- Precise mechanical properties with Rockwell C25 hardness providing consistent durability and wear resistance
- Secure torque transmission via external hex drive design enabling high clamping force applications
- Industry-standard compatibility meeting ASME B18.2.1 specifications for guaranteed interchangeability
- Environmental compliance assurance with RoHS 3 and REACH adherence for responsible manufacturing standards
Professional Applications & Engineering Value
This Grade 5 steel hex head screw delivers critical reliability for industrial machinery, structural assemblies, and heavy equipment where vibration resistance and sustained clamping force are paramount. The zinc plated finish provides essential corrosion protection in manufacturing facilities, outdoor installations, and high-humidity environments. Engineered with UNC coarse threads and Class 2A thread fit, it ensures rapid installation while maintaining precise tolerances. The external hex drive accommodates high-torque applications, making it ideal for construction, automotive, and industrial maintenance where fully threaded fasteners are required for maximum grip length. Its compliance with ASME B18.2.1 guarantees consistent performance across standardized equipment and replacement scenarios.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 specifications with SAE J429 Grade 5 certification, this fastener features 3/8"-16 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. The inch-system screw maintains 120,000 psi tensile strength and Rockwell C25 hardness throughout its 7/8" length. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring adherence to international regulatory requirements for industrial components.
