S-90548A129 8-32 x 0.29" 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 ergonomic knurled thumb head design for superior manual grip in tight spaces
- Enhanced corrosion resistance through 400 series stainless steel threaded body, ideal for demanding industrial environments
- Durable, scratch-resistant finish from black powder-coated aluminum head maintaining professional appearance
- Secure panel retention with coarse 8-32 UNC threads ensuring vibration-resistant fastening in 0.25" holes
- Broad compatibility with panel thicknesses from 0.098" to 0.125" for versatile assembly applications
- Backup drive option with Phillips No. 2 recess for additional torque application when needed
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
Engineered for captive panel applications in electronic enclosures, industrial controls, and communication devices, these thumb screws solve critical access and maintenance challenges. The powder-coated aluminum head provides electrical insulation while resisting chemical exposure, paired with 400 series stainless steel threads that maintain integrity through repeated cycles. The knurled texture ensures positive grip even with gloved hands, eliminating dropped fasteners in sensitive assemblies. With UNC coarse threading, installation requires minimal effort while providing secure engagement in 0.25" panel holes, making them ideal for serviceable panels requiring frequent access without thread wear concerns.
Specification Summary & Compliance
Manufactured to standard UNC 8-32 thread specifications with Class 2A tolerance for consistent fit. The 0.51" diameter knurled head provides optimal torque surface with Phillips No. 2 drive backup. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring material restrictions adherence. Designed specifically for outer panel thicknesses between 0.098" and 0.125" with right-hand thread orientation for standard applications.
