S-97263A719 4-40 x 3/4" Plastic Round Head Slotted Screws
Plastic Round 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
- Superior corrosion resistance for long-lasting performance in harsh or chemical environments without rust or degradation.
- Excellent electrical insulation properties to prevent short circuits and ensure safety in electronic assemblies.
- Wide operating temperature range from -40°F to 185°F, maintaining integrity in varied thermal conditions.
- Lightweight nylon construction reduces overall assembly weight while providing durable, non-conductive fastening.
- Precise Class 2A thread fit ensures smooth installation and reliable engagement in coarse UNC threaded applications.
- RoHS 3 compliance guarantees adherence to environmental regulations, free from hazardous substances.
- Slotted drive with standard rounded head allows for easy manual installation and a clean, low-profile finish.
Professional Applications & Engineering Value
This 4-40 UNC coarse thread nylon plastic screw is engineered to address critical challenges in industries where metal fasteners fall short. Its nylon material offers inherent chemical resistance and electrical insulation, making it ideal for electronics, medical devices, and outdoor equipment exposed to moisture or corrosive agents. The fully threaded design and Class 2A thread fit provide consistent clamping force and ease of assembly in lightweight structures, while the rounded head with slotted drive simplifies maintenance and reduces installation time. By eliminating galvanic corrosion and conductivity risks, this screw enhances product longevity and safety in RoHS-compliant applications, from consumer electronics to automotive interiors.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with Class 2A thread fit for standard inch-system applications, ensuring dimensional accuracy and reliable performance. It is fully threaded with a right-hand thread direction, head diameter of 0.211", and length of 3/4". Compliance includes RoHS 3 (2015/863/EU), confirming it is free from restricted hazardous substances, and it operates within a temperature range of -40°F to 185°F without rated hardness, suited for general-purpose use.
