S-92186A633 3/8"-16 x 2 1/4" 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 environments and chemical exposure
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise thread engagement with Class 2A fit and UNC coarse threads ensuring easy assembly and vibration resistance
• Optimized partial threading providing unthreaded shank for enhanced shear strength and alignment in structural applications
• Industry-standard compliance meeting ASME B18.2.1 specifications for dimensional accuracy and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance, safe for regulated industrial applications
• Efficient external hex drive enabling high-torque installation with standard wrenching tools

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers critical performance advantages for demanding industrial applications where corrosion resistance and structural integrity are paramount. The 316 Stainless Steel composition provides exceptional protection against chloride-induced stress corrosion cracking, making it ideal for marine, chemical processing, and food equipment applications. The partially threaded design with coarse UNC threading ensures rapid assembly while maintaining superior clamp load distribution. With its external hex drive and 2 1/4" length, this fastener offers reliable installation in confined spaces and high-vibration environments, reducing maintenance cycles and improving equipment longevity. The combination of 70,000 psi tensile strength and Rockwell B70 hardness provides dependable performance in structural connections, machinery assembly, and heavy-duty framing applications.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with 3/8"-16 UNC coarse threads and right-hand thread direction, manufactured to ASME B18.2.1 dimensional standards. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets. With a minimum thread length of 1" and overall length of 2 1/4", this inch-system fastener delivers consistent performance across mechanical assemblies requiring reliable corrosion-resistant fastening solutions.