S-92196A333 1/4"-28 x 3" 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 industrial environments.
• High tensile strength of 70,000 psi ensures reliable performance under significant load and stress.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in critical assemblies.
• 3/16" hex drive allows for high torque application and secure installation with standard tools.
• Partially threaded design offers optimal clamping force and prevents thread damage in through-holes.
• Fine UNF thread (1/4"-28) delivers improved adjustment precision and superior holding power.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This 1/4"-28 UNF Socket Head Cap Screw is engineered to address common challenges in precision machinery, automotive, and aerospace applications where space constraints and vibration are critical concerns. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, while the fine thread and Class 3A fit ensure minimal backlash and superior fatigue resistance in dynamic load conditions. The 3/16" hex drive and socket head design enable secure fastening in confined spaces, reducing the risk of stripping and improving maintenance efficiency. These features make it an ideal choice for high-strength industrial fasteners requiring reliable, long-term performance.

Specification Summary & Compliance

This screw features a 1/4"-28 UNF fine thread with Class 3A precision fit, ensuring tight tolerances and consistent performance. It is manufactured in accordance with ASME B18.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.