S-92865A163 3/8"-16 x 1 7/8" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with 120,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening and vibration resistance
- Enhanced installation efficiency with external hex drive design allowing high torque application with standard tools
- Controlled thread placement through partial threading providing precise grip length where needed
- Consistent mechanical properties with Rockwell C25 hardness maintaining dimensional stability under load
- Versatile length selection at 1-7/8" accommodating various material thicknesses in assembly applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade 5 hex head screws deliver critical performance where structural integrity matters most. The zinc plated steel construction provides essential corrosion protection for machinery, equipment frames, and structural assemblies exposed to environmental elements. The 3/8"-16 UNC coarse thread configuration ensures rapid installation and superior resistance to vibration loosening in automotive, construction, and manufacturing settings. With partial threading, these fasteners concentrate grip strength precisely where needed, preventing material distortion while the external hex drive accommodates high torque requirements for secure connections in heavy-duty frameworks and mechanical systems.
Specification Summary & Compliance
Manufactured to precision Class 2A thread fit with UNC coarse thread specifications ensuring consistent engagement and reliable performance. Complies with ASME B18.2.1 and SAE J429 Grade 5 standards for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use across regulated industries.
