S-92196A563 1/4"-20 x 5 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, ideal for harsh industrial environments
• Exceptional tensile strength rated at 70,000 psi for reliable performance under high-stress applications
• Precise Class 3A thread fit ensures secure fastening and vibration resistance in critical assemblies
• Heavy-duty Rockwell B70 hardness provides excellent wear resistance and long-term durability
• Standard hex socket drive allows for high-torque installation in confined spaces
• Partially threaded design offers optimal grip length control for specific engineering requirements
• Full regulatory compliance with ASME B18.3, RoHS 3, and REACH for global industrial acceptance

Professional Applications & Engineering Value

This 1/4"-20 UNC thread socket head cap screw delivers critical engineering solutions where precision and reliability are paramount. The 18-8 Stainless Steel composition provides excellent corrosion resistance for applications in chemical processing, marine environments, and food equipment. The coarse thread design ensures rapid installation and superior holding power in softer materials, while the hex socket drive enables high-torque tightening in space-constrained assemblies. With its partially threaded configuration and 5 1/2" length, this fastener is engineered for machinery, automotive components, and structural applications requiring precise clamp load distribution and vibration resistance throughout the service life.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. Features 1/4"-20 UNC coarse threads with right-hand direction and minimum 1" thread length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The inch system measurement ensures compatibility with North American industrial standards and replacement applications.