S-92196A552 1/4"-20 x 2 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments
• Exceptional tensile strength rated at 70,000 psi ensures reliable fastening under heavy loads and vibration
• Precise Class 3A thread fit provides superior engagement and consistent clamping force in critical applications
• Hex socket drive design allows for high torque application and secure installation in confined spaces
• Coarse UNC threading enables quick assembly and reduced cross-threading risk in industrial settings
• Partially threaded configuration offers optimal grip length control and prevents over-tightening damage
• Full regulatory compliance with ASME B18.3, RoHS 3, and REACH ensures meeting strict industry standards

Professional Applications & Engineering Value

These 18-8 Stainless Steel socket head cap screws deliver exceptional engineering value in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The 1/4"-20 UNC coarse thread configuration provides excellent engagement in various materials while resisting vibration-induced loosening. With Rockwell B70 hardness and 70,000 psi tensile strength, these fasteners maintain integrity under extreme mechanical stress. The hex socket drive enables high-torque installation in confined spaces, making them ideal for machinery, equipment manufacturing, and structural assemblies requiring precise class 3A thread fit. The partially threaded design ensures optimal clamping force distribution while the corrosion-resistant properties make them suitable for chemical processing, marine, and outdoor applications where environmental factors challenge fastener durability.

Specification Summary & Compliance

This socket head cap screw features precision 1/4"-20 UNC coarse threads with Class 3A fit for superior dimensional accuracy and engagement. Manufacturing complies with ASME B18.3 specifications ensuring consistent quality and performance. The fastener meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations for chemical safety. With 2-1/2" length and 3/16" hex drive, these screws deliver reliable fastening performance across industrial applications requiring standardized, compliant components.