S-93140A109 4-40 x 1/2" 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
- Exceptional visibility and transparency for applications requiring visual inspection or aesthetic appeal
- Broad temperature resistance from -40° to 210° F, ensuring reliable performance in varied thermal environments
- Superior chemical resistance due to the polycarbonate material, ideal for harsh or corrosive settings
- Precise Class 2A thread fit for smooth assembly and secure fastening with standard UNC threaded components
- Easy installation and removal with the Phillips No. 1 drive, reducing tool slippage and damage
- RoHS 3 compliance for environmentally safe use in regulated industries and global markets
- Fully threaded design providing consistent holding power along the entire 1/2" length
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these clear polycarbonate pan head screws with 4-40 UNC coarse threading offer a unique combination of durability and transparency. The polycarbonate plastic construction resists many chemicals and impacts, making them suitable for electronics, medical devices, and display assemblies where corrosion resistance and part visibility are critical. The Class 2A thread fit ensures compatibility with standard UNC nuts and tapped holes, reducing assembly errors. With a temperature range of -40° to 210° F, these screws maintain integrity in both freezing and moderately high-heat conditions, solving common fastening failures in thermal cycling applications. The Phillips No. 1 drive and rounded pan head provide a low-profile, secure fastening solution that is easy to install without marring surfaces.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and interchangeability. It is fully threaded with a right-hand thread direction and measures 1/2" in length. The product is manufactured in compliance with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances for use in electronic and consumer products.
