S-90548A159 M4 x 8.8 mm Captive Panel Screws
Captive Panel Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Effortless hand-tightening with a knurled thumb head for secure installation without tools in tight spaces
- Durable, corrosion-resistant construction using 400 series stainless steel threads and powder-coated aluminum for long service life
- Reliable panel retention designed for outer panels with 6.4mm holes and 1.6mm to 2.5mm thickness, preventing loosening
- Quick, tool-compatible assembly featuring a Phillips No. 2 drive for optional powered installation
- Secure, coarse metric thread (M4 x 0.7mm) ensuring strong engagement and vibration resistance
- Enhanced grip and aesthetics from the black powder-coated, 13mm round head, suitable for frequent access panels
- Global compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This M4 thumb screw is engineered to solve common challenges in panel mounting for electronics, industrial enclosures, and machinery. The combination of a knurled aluminum head and 400 series stainless steel body provides excellent corrosion resistance and mechanical strength, ideal for environments requiring frequent panel access. The coarse metric thread (M4 x 0.7mm) and right-hand thread direction ensure quick, secure fastening in panels up to 2.5mm thick, reducing assembly time and minimizing the risk of cross-threading. Its captive panel screw design prevents loss during maintenance, enhancing operational efficiency in applications like server racks, control boxes, and medical devices where reliability and compliance are critical.
Specification Summary & Compliance
This captive panel screw features precise metric coarse threading (M4 x 0.7mm) with standard right-hand orientation, ensuring compatibility with ISO metric specifications. The 13mm head diameter and Phillips No. 2 drive provide versatile installation options. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety standards for industrial and electronic use.
