S-93140A108 4-40 x 3/8" Plastic Pan Head Phillips Screws
Plastic Pan Head Phillips 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
- Optical clarity allows for visual inspection and aesthetic integration in transparent assemblies
- Excellent temperature resistance from -40° to 210°F ensures reliable performance in varied thermal environments
- Durable polycarbonate construction provides high impact strength and corrosion resistance for long service life
- Precise Class 2A thread fit guarantees secure fastening with standard UNC threaded components
- Coarse UNC threading enables quick installation and reduced cross-threading risks in industrial applications
- Fully threaded design offers maximum grip strength and consistent holding power along the entire length
- RoHS 3 compliance ensures environmental safety and regulatory acceptance for global markets
Professional Applications & Engineering Value
Engineered for precision fastening in demanding environments, these clear polycarbonate screws solve critical challenges in electrical enclosures, medical devices, and optical systems where non-conductivity and chemical resistance are paramount. The 4-40 UNC coarse thread configuration provides excellent engagement in plastic and soft materials, while the Phillips No. 1 drive ensures efficient installation without specialized tools. The rounded pan head design distributes clamping force evenly, preventing material damage in delicate assemblies. With their broad temperature range and optical transparency, these screws are ideal for applications requiring both mechanical reliability and visual access, from laboratory equipment to consumer electronics housing.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit tolerance per UNC standards with 4-40 thread size and coarse thread spacing. Manufactured to inch system specifications with 3/8" length and fully threaded configuration. Compliant with RoHS 3 (2015/863/EU) regulations for restricted substance control, ensuring environmental compliance for industrial and commercial applications.
