S-91382A440 Length 0.52" Captive Panel Screws

Key Features & Benefits at a Glance

• Secure and Reliable Fastening: The rivet-mount nut and 18-8 stainless steel retainer ensure a permanent, vibration-resistant hold, preventing loosening in high-stress environments.
• Enhanced Corrosion Resistance: Zinc-plated steel construction provides a durable barrier against rust and corrosion, extending the product's service life in various industrial conditions.
• Rapid Installation and Access: The quarter-turn captive panel screw design allows for quick tool-less panel removal and reinstallation, significantly speeding up maintenance and assembly processes.
• Precision Fit for Panels: Engineered for panels with a thickness of 0.21" to 0.23", this screw guarantees a flush and secure fit, eliminating gaps and ensuring proper alignment.
• Optimized Mounting Spacing: With a 0.75" center-to-center mounting hole spacing, this fastener provides stable and balanced support for panels in electronic enclosures and industrial machinery.
• Broad Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring the fastener is free from hazardous substances and safe for use in global markets, including electronics.
• User-Friendly Slotted Drive: The slotted drive style offers simple and versatile installation using common tools, reducing assembly time and complexity.

Professional Applications & Engineering Value

This zinc-plated steel captive panel screw is engineered to solve common challenges in industrial assembly, such as the need for quick access and durable fastening. The rivet-mount system provides a permanent anchor point, eliminating the risk of lost hardware during frequent panel removals in electronics, telecommunications, and machinery enclosures. The quarter-turn mechanism enables rapid disassembly without tools, which is critical for maintenance efficiency. The combination of a zinc-plated steel screw and an 18-8 stainless steel retainer ensures excellent corrosion resistance and mechanical strength, making it ideal for environments exposed to moisture or chemicals. Its precise dimensions, including the 0.75" mounting hole spacing and compatibility with panel thicknesses of 0.21" to 0.23", ensure a secure fit that prevents misalignment and reduces wear over time, enhancing the longevity and reliability of your equipment.

Specification Summary & Compliance

This fastener features a 3/8" rounded head with a slotted drive and is manufactured from zinc-plated steel for consistent performance. The assembly includes a retainer made from 18-8 stainless steel and is designed for panels with inner and outer hole diameters of 0.44" and 0.24", respectively. It adheres to standard inch system measurements and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted hazardous substances and safe for industrial and electronic applications.