S-93939A722 4-40 x 1" 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 chemical resistance and electrical insulation from durable nylon plastic construction, ideal for sensitive electronic and corrosive environments.
- Superior thread engagement and reliable fastening with Class 2A thread fit and coarse UNC threading, ensuring secure installations.
- Wide operating temperature range from -40°F to 185°F, providing consistent performance in varying industrial conditions.
- Easy installation and adjustment with a standard slotted drive and fully threaded design for straightforward assembly.
- Enhanced clearance and aesthetic appeal due to the high, narrow fillister head profile, suitable for applications where a low-profile is beneficial.
- Compliance with environmental regulations as RoHS 3 compliant, meeting global standards for restricted substances.
- Right-hand thread direction and coarse spacing for quick assembly and disassembly in general-purpose fastening tasks.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 4-40 UNC nylon plastic fillister head slotted screw addresses common challenges like corrosion, electrical conductivity, and thermal stability. The nylon material offers inherent chemical resistance and electrical insulation, making it perfect for electronics, automotive, and machinery where metal fasteners could cause short circuits or degrade. Its fully threaded construction and Class 2A thread fit ensure precise alignment and vibration resistance, reducing maintenance needs. With a temperature range of -40°F to 185°F, it performs reliably in environments from cold storage to heated assemblies, providing long-term durability and cost savings by minimizing replacements.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with Class 2A thread fit for standard inch-based applications, ensuring dimensional accuracy and interchangeability. It is fully threaded with a right-hand direction and complies with RoHS 3 (2015/863/EU) regulations, confirming it is free from hazardous substances. The design adheres to common industrial standards for plastic fasteners, supporting reliable performance in assemblies requiring electrical insulation and temperature resistance.
