S-90548A157 M4 x 10.4 mm Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque application with knurled head texture, eliminating the need for tools in frequent adjustments
• Durable, corrosion-resistant construction using 400 series stainless steel threads for long-term reliability in harsh environments
• Quick and secure panel fastening with coarse M4 x 0.7mm metric threads designed for 1mm to 1.6mm panel thickness
• Tool-free installation and removal via the round thumb head combined with Phillips No. 2 drive for versatile driving options
• Superior aesthetics and added corrosion protection from the black powder-coated aluminum head
• Precise fit for standard panel holes with 6.4mm diameter compatibility, reducing installation errors
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M4 thumb screw is engineered to address common challenges in captive panel applications, such as frequent maintenance access and vibration-induced loosening. The knurled head provides exceptional manual grip, allowing operators to tighten or loosen without tools—ideal for electronics enclosures, industrial control panels, and telecom equipment. Made from 400 series stainless steel, it resists corrosion and wear, while the coarse metric thread ensures rapid engagement and secure holding in sheet metal panels. The black powder-coated aluminum head not only enhances durability but also offers a professional finish. By integrating a Phillips No. 2 drive, it supports both manual and powered installation, streamlining assembly workflows in high-volume production environments.

Specification Summary & Compliance

This captive panel screw adheres to metric thread standards with M4 x 0.7mm coarse pitch and right-hand threading for consistent performance. Dimensions include a 10.4mm length, 13mm head diameter, and compatibility with 6.4mm panel holes. Manufacturing follows precision tolerances to ensure reliable fit. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for global industrial use.