S-92196A638 3/8"-16 x 3 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications
• Superior thread engagement and reliability with Class 3A fit UNC coarse threads, ensuring precise assembly and vibration resistance
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding load-bearing applications
• Secure installation and removal using standard 5/16" hex drive, providing excellent torque transmission and reduced stripping risk
• Optimized partial threading allows for both secure fastening and smooth alignment in assemblies
• Compliance with major industry standards including ASME B18.3, ensuring dimensional accuracy and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH, making them suitable for global supply chains

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw delivers critical performance in demanding engineering applications where corrosion resistance and mechanical strength are paramount. The 3/8"-16 UNC coarse thread with Class 3A fit provides superior vibration resistance in machinery, automotive assemblies, and heavy equipment. The partially threaded design allows the unthreaded portion to act as a precision pilot, preventing cross-threading in blind holes while the threaded section ensures maximum clamping force. With 70,000 psi tensile strength and Rockwell B70 hardness, these screws maintain integrity under high stress cycles. The hex socket drive enables high-torque installation in confined spaces, making them ideal for industrial fastening applications requiring reliability and durability.

Specification Summary & Compliance

This socket head cap screw features precision 3/8"-16 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufacturing complies with ASME B18.3 specifications ensuring consistent quality and interchangeability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety, containing no restricted substances above threshold limits. All dimensions follow inch system measurements with right-hand thread direction and standard socket head profile.