S-90548A151 M4 x 5.6 mm Captive Panel Screws

Key Features & Benefits at a Glance

• Tool-free installation and removal with ergonomic knurled thumb head for quick panel access in tight spaces
• Superior corrosion resistance from 400 series stainless steel construction ensuring long-term reliability in industrial environments
• Enhanced grip and professional appearance with black powder-coated aluminum head that resists chipping and wear
• Precise panel alignment with M4 coarse threading designed specifically for 6.4mm panel holes and 0.5-1mm thickness range
• Secure fastening performance using standard Phillips No. 2 drive for consistent torque application and vibration resistance
• Global compliance assurance meeting RoHS 3 and REACH environmental standards for international manufacturing applications
• Optimized for repeated use with right-hand thread direction and 13mm head diameter for comfortable manual operation

Professional Applications & Engineering Value

This M4 thumb screw delivers critical engineering advantages for panel mounting applications where frequent access is required. The combination of 400 series stainless steel threading and powder-coated aluminum head addresses common industrial challenges including corrosion in harsh environments and the need for repeated maintenance cycles without degradation. The knurled texture provides positive grip even with gloved hands, while the metric coarse thread spacing ensures rapid installation in electronic enclosures, control panels, and instrumentation housings. Engineered specifically for 6.4mm panel holes, this captive panel screw eliminates the need for additional fastening components, reducing assembly time and minimizing loose hardware in sensitive equipment.

Specification Summary & Compliance

This metric thumb screw features M4 x 0.7mm coarse thread with standard right-hand direction and Class 2A tolerance. The Phillips No. 2 drive ensures compatibility with common industrial tools. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global electronics and industrial equipment markets. Dimensions include 13mm head diameter, 11.3mm head height, and 5.6mm thread length, engineered for precise fit in specified panel applications.