S-94701A613 4-40 x 1/2" 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 and corrosion resistance due to PTFE plastic construction, ideal for harsh industrial settings
- Precise Class 2A thread fit ensures smooth installation and secure fastening in demanding applications
- Fully threaded UNC coarse design provides maximum grip and holding power across the entire length
- Slotted pan head design offers easy installation with standard tools while maintaining a low-profile appearance
- Compliance with ASME B18.6.3 standards guarantees consistent quality and dimensional accuracy
- RoHS 3 and REACH compliant meeting environmental regulations for safe use in various industries
Professional Applications & Engineering Value
This 4-40 UNC rounded pan head screw delivers exceptional engineering value in challenging environments where temperature extremes and chemical exposure are primary concerns. The white PTFE plastic construction provides outstanding dielectric properties and chemical inertness, making it ideal for electrical enclosures, chemical processing equipment, and food-grade applications. The fully threaded coarse spacing design ensures maximum engagement in plastic and soft materials, while the slotted drive style allows for quick installation with standard tools. These high-temperature screws maintain dimensional stability across the entire -350° to 500°F range, preventing thermal expansion issues that compromise assembly integrity in industrial machinery, aerospace components, and laboratory equipment.
Specification Summary & Compliance
This 1/2" length plastic screw features precise Class 2A thread fit with UNC coarse thread spacing (4-40 thread size) for reliable fastening performance. Manufactured to ASME B18.6.3 specifications ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries and international markets.
