S-95966A660 1/4"-28 x 3/4" Captive Panel Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Exceptional holding power provided by 70,000 psi tensile strength, ensuring reliable panel retention under vibration and stress
• Precision thread engagement with Class 3A fit and UNF fine threading for secure, vibration-resistant fastening in panel applications
• Enhanced installation control through knurled socket head design that prevents tool slippage and improves grip during assembly
• Optimized panel retention with partially threaded shank design that prevents complete screw removal from panels
• Industry-standard compatibility with 3/16" hex drive for easy integration with common assembly tools
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use in electronic and industrial applications

Professional Applications & Engineering Value

Engineered for captive panel applications in electronic enclosures, industrial control systems, and machinery panels, this 18-8 stainless steel screw addresses critical vibration-induced loosening concerns. The UNF 1/4"-28 fine threading with Class 3A precision fit ensures minimal backlash and superior thread engagement, while the knurled socket head provides positive tool engagement even in confined spaces. The partially threaded design maintains screw retention within panels, preventing loss during maintenance cycles. These features combine to deliver reliable performance in applications requiring repeated access while maintaining structural integrity under continuous operational stress.

Specification Summary & Compliance

This captive panel screw features precision Class 3A thread fit with 1/4"-28 UNF fine threading and right-hand thread direction. Manufacturing adheres to inch system standards with length tolerance of -0.03" to 0". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial and electronic applications. The combination of 18-8 stainless steel material and precise dimensional control delivers consistent performance in demanding panel fastening scenarios.