S-92196A551 1/4"-20 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 replacement frequency.
• High-strength fastening with a tensile strength of 70,000 psi, ensuring reliable performance under significant load and stress.
• Precise and secure fit due to the Class 3A thread fit, minimizing the risk of loosening in high-vibration applications.
• Efficient installation and removal with the 3/16" hex drive, providing a positive grip and reducing tool slippage.
• Robust mechanical properties from Rockwell B70 hardness, offering excellent wear resistance and long-term durability.
• Reliable coarse threading (1/4"-20 UNC) for faster assembly and reduced cross-threading risk in industrial settings.
• Compliance with major standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety for global supply chains.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address critical challenges in demanding industrial environments. The 18-8 Stainless Steel material provides exceptional resistance to corrosion and oxidation, making it a durable choice for machinery, marine equipment, and chemical processing applications where exposure to moisture and chemicals is a concern. The 1/4"-20 UNC coarse thread and Class 3A fit ensure a tight, secure connection that withstands high vibration and dynamic loads, preventing joint failure. The 3/16" hex drive allows for high torque application in confined spaces, facilitating efficient assembly and maintenance. These features collectively enhance equipment reliability, reduce downtime, and lower the total cost of ownership for industrial screws in precision engineering and manufacturing sectors.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with a precision Class 3A fit, ensuring excellent dimensional accuracy and thread engagement. Manufactured in accordance with ASME B18.3 specifications, it guarantees consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for use in various industrial and international markets.