S-92186A375 3/8"-24 x 3 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to premium 316 Stainless Steel construction
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precise thread engagement with Class 2A thread fit and UNF fine thread spacing for secure, vibration-resistant connections
• Easy installation and removal with standard external hex drive and 9/16" head width for common tool compatibility
• Optimized load distribution through partial threading design that concentrates strength where needed most
• Regulatory compliance assurance meeting ASME B18.2.1 manufacturing standards and environmental regulations
• Long-term reliability in chemical and marine environments where corrosion resistance is critical

Professional Applications & Engineering Value

This 3/8"-24 UNF hex head screw delivers critical performance advantages in demanding industrial settings where corrosion resistance and structural integrity are paramount. The 316 Stainless Steel composition provides exceptional protection against chemical exposure and saltwater environments, making these external hex drive fasteners ideal for marine equipment, chemical processing plants, and offshore installations. The fine thread spacing and Class 2A thread fit ensure precise engagement that maintains clamping force under vibration and dynamic loads. With partial threading concentrating strength in the shank, these screws provide superior resistance to shear forces while the right-hand thread design follows industry standards for straightforward installation in machinery, structural frameworks, and heavy equipment assemblies.

Specification Summary & Compliance

This hex head screw features precision 3/8"-24 UNF threads with Class 2A thread fit tolerance and fine thread spacing for optimal engagement. Manufacturing complies with ASME B18.2.1 specifications, ensuring dimensional accuracy and mechanical properties. The fastener is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions. With a minimum thread length of 1" and overall length of 3-1/2", the screw delivers consistent performance across industrial applications requiring reliable, corrosion-resistant fastening solutions.