S-93939A717 4-40 x 3/8" 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
- Corrosion-free performance with durable nylon plastic construction, ideal for harsh environments and electrical applications.
- Secure fastening and easy assembly thanks to the 4-40 UNC coarse thread and Class 2A fit, ensuring reliable engagement and quick installation.
- Optimized for confined spaces with a high, narrow Fillister head profile, providing a deeper drive slot and greater clamping force.
- Broad temperature resilience from -40°F to 185°F, maintaining integrity in varied operational conditions.
- Simplified maintenance and adjustment using standard slotted drive tools, facilitating easy disassembly when needed.
- Full thread engagement across the 3/8" length for maximum grip strength and load distribution in assemblies.
- Environmentally responsible manufacturing with full compliance to RoHS 3 regulations, supporting sustainable procurement goals.
Professional Applications & Engineering Value
This nylon plastic screw with a 4-40 UNC coarse thread and rounded Fillister head is engineered to address common industrial challenges such as galvanic corrosion, electrical insulation, and weight reduction. The slotted drive style allows for straightforward installation with common tools, reducing assembly time in electronics, automotive panels, and consumer appliances. Its fully threaded design ensures consistent clamping force, while the temperature resistance from -40°F to 185°F makes it suitable for both indoor and outdoor applications. By choosing this RoHS 3 compliant fastener, engineers achieve reliable performance without compromising on regulatory standards, enhancing product longevity and safety in sensitive environments.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a 0.183" head diameter, 3/8" length, and right-hand thread direction. It is manufactured in compliance with RoHS 3 (2015/863/EU), ensuring it is free from hazardous substances, and is suitable for use in regulated industries requiring inch system measurements.
