S-92186A636 3/8"-16 x 3" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Optimized torque application through the external hex drive and 9/16" head width, ensuring secure fastening and easy installation
• Versatile coarse UNC threading provides quick assembly and reduced cross-threading risk in various materials
• Precision-engineered thread fit with Class 2A tolerance ensures consistent engagement and vibration resistance
• Regulatory compliance assurance meeting ASME B18.2.1 standards and environmental directives (RoHS 3 & REACH)
• Partial threading design allows for controlled clamping force and precise joint compression in structural applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 3/8"-16 UNC hex head screws deliver critical performance advantages where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition provides exceptional protection against chemical degradation and atmospheric corrosion, making these heavy-duty hex bolts ideal for marine equipment, chemical processing plants, and food processing machinery. The coarse thread configuration ensures rapid installation and reliable performance in soft materials or where vibration resistance is essential. With partial threading and precise Class 2A thread fit, these screws maintain consistent clamping force while preventing loosening under dynamic loads. The external hex drive design accommodates standard wrenching tools for straightforward installation and maintenance in confined spaces, reducing assembly time and improving operational efficiency across multiple industrial sectors.

Specification Summary & Compliance

These hex head screws feature precision 3/8"-16 UNC coarse threads with Class 2A thread fit tolerance, ensuring dimensional accuracy and reliable performance. Manufacturing complies with ASME B18.2.1 specifications for dimensional standards and quality requirements. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming they contain no restricted hazardous substances. Additional specifications include right-hand thread orientation, 1" minimum thread length, and inch system measurements throughout.