S-94188A310 Length 0.85" Captive Panel Screws

Key Features & Benefits at a Glance

• Secure Panel Retention: Clip-on nut and retainer system ensures vibration-resistant fastening without tools, ideal for repeated access panels.
• Wide Temperature Tolerance: Withstands -40°F to 190°F, maintaining integrity in fluctuating industrial or outdoor environments.
• Lightweight & Corrosion-Resistant: Black Acetal Plastic construction eliminates rust, reduces weight, and resists chemicals for durable performance.
• Precision Fit for Thin Panels: Designed for panel thicknesses from 0.03" to 0.09" with 0.04" min. space, enabling reliable mounting in compact electronics.
• Quick Quarter-Turn Operation: Slotted drive and rounded head allow fast installation/removal, boosting maintenance efficiency.
• Optimized Dimensions: 1/4" shank and 5/8" head provide ample grip area while minimizing protrusion in tight spaces.
• Eco-Compliant Material: Meets RoHS 3 and REACH standards, ensuring safety for regulated electronics and industrial assemblies.

Professional Applications & Engineering Value

Engineered for precision panel mounting in demanding sectors, this Acetal Plastic Captive Panel Screw solves common issues like metal corrosion, weight accumulation, and installation complexity. The quarter-turn mechanism paired with a clip-on nut streamlines assembly in electronic enclosures, control boxes, and HVAC systems, where frequent panel access is required. Its black Acetal material offers excellent dimensional stability and electrical insulation, preventing short circuits in sensitive equipment. By accommodating panel thicknesses from 0.03" to 0.09", it ensures a snug fit without loosening, even under thermal expansion from -40°F to 190°F. This makes it a top choice for industrial fasteners in automotive, telecom, and consumer electronics, where reliability and compliance with RoHS and REACH are non-negotiable.

Specification Summary & Compliance

This screw features a 1/4" shank diameter, 5/8" head diameter, and 0.85" length with a slotted drive style, ensuring precise fit per inch-based measurements. The Acetal Plastic components, including the retainer, adhere to tight manufacturing tolerances for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. Designed for hole diameters of 0.512", it supports secure installations in standard panel setups, meeting industry expectations for quality and safety.