S-94465A410 4-40 x 0.197" 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 with a knurled thumb head for easy hand tightening and removal in tight spaces.
- Enhanced corrosion resistance using 430 stainless steel, ideal for harsh industrial and electronic environments.
- Secure panel retention with UNC coarse threading, ensuring reliable fastening and vibration resistance.
- Durable grip and longevity from the knurled head texture, preventing slippage during repeated use.
- Environmental compliance with RoHS 3 standards, supporting safe and sustainable manufacturing practices.
- Versatile panel compatibility designed for outer panel hole diameters of 0.219" and minimum thicknesses of 0.036".
- Backup drive option with a Phillips No. 2 slot for additional torque application when needed.
Professional Applications & Engineering Value
This 4-40 UNC thumb screw is engineered to address common challenges in electronic enclosures and industrial panels, where frequent access and reliable fastening are critical. The 430 stainless steel construction provides excellent corrosion resistance, reducing maintenance in humid or corrosive settings. The knurled head allows for tool-free operation, speeding up assembly and disassembly while minimizing the risk of damage to sensitive components. With its coarse UNC threading and precise dimensions, it ensures a tight fit and prevents loosening under vibration, making it a dependable choice for captive panel screw applications in telecommunications, automotive, and machinery sectors.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with standard Class 2A tolerances for consistent fit and performance. It is manufactured from 430 stainless steel for the head and 18-8 stainless steel for the body, ensuring durability and alignment with industrial standards. The product is RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions, and is designed to work with outer panel hole diameters of 0.219" and minimum thicknesses of 0.036".
