S-96367A976 4-40 x 5/16" ASME B18.6.3 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 temperature resistance from -60° to 500°F for reliable performance in extreme thermal environments
- Superior chemical and corrosion resistance with PEEK plastic construction for long-lasting durability in harsh conditions
- Precise Class 2A thread fit ensures smooth installation and secure fastening in UNC coarse threading applications
- Optimized Phillips drive design (No. 1 size) provides efficient torque transfer and reduced cam-out risk
- Fully threaded configuration delivers maximum grip length and uniform load distribution
- Compliance with major industry standards including ASME B18.6.3 for consistent quality and interchangeability
- Environmental regulation compliance with RoHS 3 and REACH for safe use in regulated industries
Professional Applications & Engineering Value
These PEEK plastic rounded head screws with 4-40 UNC coarse threading deliver exceptional engineering value in demanding industrial environments. The high-temperature PEEK material maintains structural integrity across extreme thermal cycles (-60° to 500°F), solving critical thermal expansion and degradation challenges in aerospace, automotive, and electronics applications. The fully threaded design with Class 2A thread fit ensures consistent clamping force in plastic, composite, and soft material assemblies, while the Phillips drive system facilitates efficient installation in space-constrained applications. These industrial plastic fasteners provide excellent electrical insulation and chemical resistance, making them ideal for corrosive environments where metal fasteners would fail.
Specification Summary & Compliance
These rounded head screws feature precise 4-40 UNC coarse threads with Class 2A thread fit per inch system standards, ensuring dimensional accuracy and reliable performance. Manufacturing complies with ASME B18.6.3 specifications for consistent quality and interchangeability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety, with full material traceability and restricted substance compliance.
