S-94700A106 4-40 x 1/4" Plastic Round Head Slotted Screws
Plastic Round 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 -100° to 500° F for reliable performance in extreme thermal environments
- Superior chemical inertness and corrosion resistance due to PTFE plastic construction, ideal for harsh chemical applications
- Precise Class 2A thread fit ensures smooth installation and secure fastening with standard UNC coarse threads
- Fully threaded design provides maximum grip and consistent holding power along the entire 1/4" length
- Slotted drive with rounded head offers easy installation and a clean, low-profile appearance
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and regulatory acceptance
- Lightweight and non-conductive properties make it perfect for electrical and weight-sensitive assemblies
Professional Applications & Engineering Value
These PTFE plastic rounded head screws deliver critical performance advantages in demanding industrial settings where metal fasteners fail. The chemically inert material prevents degradation from aggressive chemicals, solvents, and corrosive atmospheres, while the extreme temperature range maintains structural integrity from cryogenic conditions to high-heat environments. The 4-40 UNC coarse thread with Class 2A fit ensures reliable engagement in plastic and soft materials, reducing stripping risks. Commonly specified in chemical processing equipment, food machinery, electrical enclosures, and laboratory instruments, these screws eliminate galvanic corrosion concerns and provide excellent dielectric properties for electrical isolation.
Specification Summary & Compliance
This 1/4" length screw features a 0.211" head diameter with standard UNC coarse threads (4-40 size) manufactured to Class 2A thread fit tolerances for consistent performance. The fully threaded design and slotted drive provide installation versatility. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and unrestricted use in regulated industries.
