S-94701A140 4-40 x 3/16" ASME B18.6.3 Plastic Pan Head Slotted Screws
Plastic Pan 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
- Exceptional temperature resistance from -350° to 500°F for reliable performance in extreme thermal environments
- Superior chemical resistance provided by PTFE material, preventing corrosion and degradation in harsh industrial settings
- Precision Class 2A thread fit ensures consistent engagement and reliable fastening in demanding applications
- Standard slotted drive design enables easy installation and removal with common tools
- Fully threaded construction provides maximum holding power along the entire 3/16" length
- Compliant with major industry standards including ASME B18.6.3 for guaranteed quality and interoperability
- Environmentally conscious manufacturing meeting RoHS 3 and REACH compliance for sustainable operations
Professional Applications & Engineering Value
These PTFE plastic rounded head screws deliver critical performance advantages in challenging industrial environments where metal fasteners fail. The white PTFE material offers exceptional chemical resistance, making these 4-40 UNC coarse thread screws ideal for chemical processing, semiconductor manufacturing, and food processing equipment where corrosion resistance is paramount. The extreme temperature range from -350° to 500°F ensures reliable operation in thermal cycling applications, cryogenic systems, and high-temperature industrial ovens. The pan head design with slotted drive provides secure fastening while the fully threaded construction maximizes grip strength in plastic, composite, and soft material applications where stripping is a concern.
Specification Summary & Compliance
This 4-40 UNC plastic screw features precision Class 2A thread fit with coarse threading for optimal performance in various materials. Manufactured to ASME B18.6.3 specifications, these fasteners ensure dimensional accuracy and reliability. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting sustainable manufacturing practices while delivering consistent 3/16" length and 0.219" head diameter tolerances for industrial applications.
