S-92196A633 3/8"-16 x 2 1/4" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Precise thread engagement with Class 3A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized drive efficiency using a 5/16" hex socket for high torque application and reduced cam-out risk
• Versatile partial threading allowing for both clamping and alignment functions in assembled components
• Industry-standard compliance with ASME B18.3 specifications for guaranteed dimensional accuracy and interchangeability
• Environmental regulation adherence meeting RoHS 3 and REACH requirements for safe use in regulated industries

Professional Applications & Engineering Value

This socket head cap screw delivers critical reliability in demanding applications where corrosion resistance and high tensile strength are non-negotiable. The 18-8 stainless steel material inherently resists oxidation and chemical exposure, extending service life in machinery, marine equipment, and food processing systems. Its 3/8"-16 UNC coarse thread with Class 3A fit ensures rapid assembly and superior clamp load retention, reducing the risk of thread stripping under dynamic stresses. The partially threaded design provides unthreaded shank sections for precise component alignment, while the hex drive accommodates high installation torque without head deformation. Engineered to ASME B18.3 standards, this fastener eliminates compatibility issues in OEM and MRO operations, providing consistent performance in heavy-duty industrial fastening systems.

Specification Summary & Compliance

This socket head cap screw maintains Class 3A thread fit per UNC standards, ensuring tight tolerances for high-strength applications. Manufacturing adheres to ASME B18.3 dimensional specifications for head diameter, drive size, and thread geometry. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances. Thread configuration follows 3/8"-16 UNC coarse spacing with a minimum threaded length of 1 1/4" on a 2 1/4" overall partially threaded body.