S-92865A162 3/8"-16 x 1 5/8" 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 capability with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Enhanced durability from Rockwell C25 hardness, maintaining structural integrity under repeated stress
- Easy installation and removal with external hex drive design providing positive tool engagement
- Versatile partial threading allowing for both clamping and alignment functions in assembly operations
- Regulatory compliance assurance meeting ASME, SAE, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
These Grade 5 steel hex head screws deliver critical performance in industrial machinery, structural frameworks, and heavy equipment assemblies. The 3/8"-16 UNC coarse thread configuration provides excellent resistance to vibration loosening while facilitating quick installation in thick materials. The zinc plated finish creates a protective barrier against oxidation and environmental corrosion, significantly extending maintenance intervals in challenging operating conditions. With partial threading design, these fasteners offer precise clamping force control while maintaining alignment integrity in multi-component assemblies. The external hex drive ensures maximum torque transmission without cam-out, making them ideal for high-stress applications requiring reliable, repeatable fastening solutions.
Specification Summary & Compliance
Manufactured to Class 2A thread fit tolerances with UNC coarse thread profile according to ASME B18.2.1 specifications. Meets SAE J429 Grade 5 requirements for mechanical properties including 120,000 psi tensile strength and Rockwell C25 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensions include 1 5/8" length with 1" minimum thread length and 9/16" hex head width for standard tool compatibility.
