S-91382A540 Length 0.52" Captive Panel Screws

Key Features & Benefits at a Glance

• Secure panel retention with quarter-turn captive screw design prevents accidental loosening and loss in high-vibration environments
• Corrosion-resistant zinc-plated steel construction ensures long-term durability in industrial settings while maintaining cost-effectiveness
• Quick rivet-mount installation simplifies assembly with permanent nut mounting for consistent panel alignment
• 18-8 stainless steel retainer provides superior strength and corrosion resistance for reliable performance cycle after cycle
• Precision-engineered dimensions (0.21"-0.23" panel thickness compatibility) ensure perfect fit and flush mounting without gaps
• Industry-standard Phillips drive allows for efficient installation with common tools while preventing cam-out issues
• Environmental compliance meets RoHS 3 and REACH standards for safe use in regulated industries worldwide

Professional Applications & Engineering Value

This zinc-plated steel captive panel screw with rivet mount system solves critical challenges in industrial panel mounting applications. The quarter-turn mechanism enables rapid access to internal components while maintaining secure closure, significantly reducing maintenance downtime in electrical enclosures, machinery guards, and control panels. The combination of zinc-plated steel for the screw body and 18-8 stainless steel retainer creates a balanced solution that resists corrosion while providing reliable strength. Engineered specifically for panels ranging from 0.21" to 0.23" thickness, this fastener eliminates alignment issues and ensures consistent performance in demanding environments where vibration resistance and repeated access are paramount requirements.

Specification Summary & Compliance

This captive panel screw features precision dimensions including 3/8" head diameter, 0.52" length, and 0.75" mounting hole center-to-center spacing. The assembly includes retainer, rivet-mount nut, and screw components designed for 0.44" inner and 0.24" outer panel hole diameters. Manufactured to industrial standards with RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental responsibility and regulatory acceptance for global industrial applications.