S-95966A662 1/4"-28 x 1 1/4" Captive Panel Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced grip and tool engagement thanks to the knurled socket head design, reducing slippage during installation
• Precise thread engagement with Class 3A fit and UNF fine thread, ensuring reliable, vibration-resistant connections
• High tensile strength of 70,000 psi for dependable performance under significant mechanical stress
• Optimized for panel assembly with partial threading, facilitating secure captive retention and easy alignment
• Compliance with RoHS 3 and REACH regulations, meeting strict environmental and safety standards for global supply chains
• Right-hand thread direction for standard installation, improving assembly efficiency and reducing errors

Professional Applications & Engineering Value

This captive panel screw is engineered to address common challenges in industrial assembly, such as panel misalignment and fastener loosening due to vibration. The 18-8 stainless steel material offers excellent durability and resistance to corrosion, making it suitable for electronics enclosures, machinery panels, and outdoor equipment. Its knurled socket head with a 3/16" hex drive provides a secure grip, minimizing tool wear and speeding up installation. The 1/4"-28 UNF fine thread and Class 3A thread fit ensure tight tolerances, reducing the risk of cross-threading and enhancing load distribution in panel fastener applications. By combining robust materials with precise engineering, this screw delivers long-term reliability in demanding settings, from manufacturing plants to telecommunications infrastructure.

Specification Summary & Compliance

This product adheres to inch system measurements with a thread size of 1/4"-28 UNF and Class 3A thread fit for high precision. It meets manufacturing standards for partially threaded designs and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency. The screw features a right-hand thread direction and is manufactured to maintain consistent dimensions, supporting reliable performance in various industrial assemblies.