S-94701A611 4-40 x 1/4" 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°F to 500°F for reliable performance in extreme thermal environments
- Superior chemical resistance due to PTFE plastic construction, ideal for corrosive or sensitive industrial settings
- Precise Class 2A thread fit ensures smooth installation and secure fastening with standard UNC coarse threading
- Slotted pan head design provides easy manual installation and removal with standard screwdrivers
- Full threading along 1/4" length delivers maximum grip and uniform load distribution
- Compliance with ASME B18.6.3 standards guarantees dimensional accuracy and manufacturing consistency
- RoHS 3 and REACH compliance meets environmental regulations for safe use in regulated industries
Professional Applications & Engineering Value
This PTFE plastic rounded head screw addresses critical challenges in industrial applications where metal fasteners fail. The white PTFE material provides excellent dielectric properties and chemical inertness, making it ideal for electrical enclosures, chemical processing equipment, and food-grade machinery. The 4-40 UNC coarse thread with Class 2A fit ensures reliable engagement in plastic components without stripping, while the slotted pan head design allows for quick maintenance in tight spaces. Engineered for extreme temperature environments from cryogenic to high-heat applications, these screws maintain structural integrity where thermal expansion would compromise metal alternatives. The combination of full threading and standardized dimensions provides consistent clamping force in assembly lines requiring repeatable, secure fastening solutions.
Specification Summary & Compliance
This rounded head screw features precise Class 2A thread fit with 4-40 UNC coarse threading and standardized dimensions per ASME B18.6.3 specifications. The 1/4" length with fully threaded design ensures dimensional consistency across production batches. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and restricted substance adherence for global industrial applications.
