S-92865A634 3/8"-16 x 2 1/2" 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
- Exceptional load-bearing capacity with 120,000 PSI tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating that protects against rust and extends service life
- Optimized thread engagement with UNC coarse threads providing faster installation and superior holding power
- Consistent mechanical properties ensured by Grade 5 certification and Rockwell C25 hardness for predictable performance
- Easy installation and removal with external hex drive design allowing high torque application with standard tools
- Precision thread fit with Class 2A tolerance ensuring smooth assembly and reliable connections
- Full threading coverage along the 2½" length for maximum grip and load distribution
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering value through its zinc plated steel construction and 3/8"-16 UNC coarse thread design, specifically engineered to solve common industrial fastening challenges. The combination of 120,000 PSI tensile strength and Rockwell C25 hardness ensures reliable performance in structural applications, machinery assembly, and heavy equipment where vibration resistance and load capacity are paramount. The external hex drive facilitates high-torque installation without stripping, while the fully threaded design maximizes surface contact for superior clamping force. This makes it ideal for construction, manufacturing, and automotive applications where joint integrity cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting standards with Class 2A thread fit tolerance and UNC coarse thread specifications meeting ASME B18.2.1 and SAE J429 requirements. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors while maintaining consistent dimensional accuracy and mechanical properties.
