S-90548A128 8-32 x 0.41" 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
- Tool-free installation and removal with knurled thumb head design for enhanced grip and efficiency
- Superior corrosion resistance from 400 Series Stainless Steel construction ensuring long-term reliability
- Durable, scratch-resistant finish with black powder-coated aluminum head maintaining appearance in harsh environments
- Secure panel fastening designed for 0.063" to 0.098" panel thickness with 0.25" hole diameter
- Wide compatibility with standard 8-32 UNC coarse threads for versatile industrial applications
- Backup drive option featuring Phillips No. 2 drive for additional installation flexibility
- Environmental compliance meeting RoHS 3 and REACH regulations for global market acceptance
Professional Applications & Engineering Value
This 8-32 UNC thumb screw delivers exceptional performance in electronic panel mounting and industrial equipment applications. The combination of powder-coated aluminum head and 400 Series Stainless Steel body addresses common challenges like corrosion, frequent adjustments, and aesthetic degradation. The knurled texture provides secure grip even with gloved hands, while the coarse thread spacing ensures quick installation and reliable holding power in panels ranging from 0.063" to 0.098" thickness. Engineered for captive panel screw applications, it prevents loss and simplifies maintenance in telecommunications, industrial controls, and electronic enclosures where repeated access is required.
Specification Summary & Compliance
This thumb screw features 8-32 UNC Class 2A threads with right-hand direction and coarse spacing, ensuring precise fit and reliable performance. The assembly combines a 0.51" diameter aluminum head with 400 Series Stainless Steel construction, delivering optimal strength-to-weight ratio. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material transparency. Designed specifically for 0.25" panel holes and 0.41" overall length, this component meets industrial standards for captive fastening applications.
