S-95373A163 3/8"-16 x 1" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized finish for long-lasting performance in harsh environments
• High tensile strength of 60,000 PSI ensures reliable fastening under heavy loads and vibration
• Full threading design provides maximum grip and uniform stress distribution across the entire length
• External hex head with 9/16" width allows for easy installation with standard tools and high torque application
• Class 2A thread fit with UNC coarse threading enables quick assembly and reduced cross-threading risk
• Rockwell B69 hardness rating maintains structural integrity and prevents deformation during installation
• Compliance with major industrial standards including ASME B18.2.1 and ASTM A307 for guaranteed quality and interoperability

Professional Applications & Engineering Value

These 3/8"-16 UNC hex head screws deliver exceptional engineering value across industrial applications where corrosion resistance and structural integrity are paramount. The hot-dipped galvanized steel construction provides superior protection against rust and environmental degradation, making them ideal for outdoor structures, marine equipment, and industrial machinery exposed to moisture. The coarse UNC threading ensures rapid assembly in various materials while maintaining secure fastening, significantly reducing installation time in production environments. With full threading along the entire 1" length, these fasteners distribute clamping force evenly, preventing joint failure in high-vibration applications such as construction frameworks, heavy equipment assembly, and infrastructure projects. The combination of 60,000 PSI tensile strength and external hex drive design makes them particularly valuable for applications requiring both high torque capability and reliable disassembly for maintenance operations.

Specification Summary & Compliance

These hex head screws feature precise Class 2A thread fit per UNC standards with 3/8"-16 coarse threading and right-hand thread direction. Manufacturing complies with ASME B18.2.1 specifications and ASTM A307 material standards. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental and safety requirements for industrial use worldwide.