S-93939A713 4-40 x 3/16" Plastic Fillister Head Slotted Screws
Plastic Fillister Head Slotted Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Excellent corrosion resistance due to nylon plastic construction, eliminating rust and galvanic corrosion in harsh environments
- Superior electrical insulation properties for safe use in electrical assemblies and sensitive electronic applications
- Wide temperature tolerance from -40° to 185°F for reliable performance in varying thermal conditions
- Precise Class 2A thread fit ensuring smooth installation and secure fastening with standard UNC 4-40 threaded components
- High, narrow fillister head design providing enhanced clearance and a professional finished appearance
- RoHS 3 compliance meeting strict environmental regulations for hazardous substance restrictions
- Fully threaded right-hand coarse design enabling quick assembly and strong holding power in plastic and soft materials
Professional Applications & Engineering Value
These nylon plastic screws with 4-40 UNC coarse threads and fillister head design deliver critical solutions for industries requiring non-conductive, lightweight fasteners. The durable nylon material prevents electrical shorts and resists chemicals, making them ideal for electrical enclosures, consumer electronics, and medical devices. Their slotted drive allows for easy manual installation, while the high rounded profile offers superior clearance in tight spaces. Engineered to maintain integrity across a broad temperature range, they eliminate thermal expansion issues common in metal fasteners, ensuring long-term reliability in HVAC systems and outdoor equipment without compromising performance.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy and easy assembly. It is fully threaded with a right-hand direction and meets RoHS 3 (2015/863/EU) compliance, ensuring adherence to environmental regulations. The fillister head with a high, narrow profile and slotted drive conforms to standard inch measurements, providing reliable fastening in applications requiring plastic fasteners with precise engineering tolerances.
