S-94735A719 4-40 x 5/16" 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
- Corrosion-resistant nylon plastic construction ensures long-term reliability in humid or chemically exposed environments without rust or degradation.
- Wide temperature tolerance from -40° to 185°F maintains structural integrity and performance in varied thermal conditions.
- Phillips No. 1 drive and pan head design provides secure, easy installation with standard tools, reducing assembly time.
- Class 2A thread fit with 4-40 UNC coarse threading offers consistent, reliable fastening with excellent grip in plastic or soft materials.
- Fully threaded shank maximizes holding power and distributes load evenly across the entire length.
- RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global industrial use.
- Lightweight and non-conductive properties make it ideal for electrical insulation and weight-sensitive applications.
Professional Applications & Engineering Value
This 4-40 UNC nylon plastic screw with a Phillips pan head is engineered to address common industrial challenges like corrosion, electrical conductivity, and weight constraints. The nylon material provides inherent resistance to moisture, chemicals, and galvanic reactions, eliminating the need for additional coatings or maintenance. Its coarse UNC threads and Class 2A fit ensure quick, secure fastening in plastic housings, electronic enclosures, and automotive components, reducing the risk of stripping in soft substrates. The fully threaded design enhances vibration resistance and load distribution, making it a reliable choice for assembly lines, consumer electronics, and outdoor equipment where durability and compliance with RoHS and REACH standards are critical.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, a 5/16" length, and a standard pan head profile. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for use in regulated industries.
