S-94700A540 1/4"-20 x 3/4" Plastic Round Head Slotted Screws

Plastic Round Head Slotted Screws

0139FA00014 Plastic Round Head Slotted Screws
0139FA00014 Plastic Round Head Slotted Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0139FA00014
Equivalent to mcmaster :
94700A540

Basic Information

Color White
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.472"
Head Height 0.175"
Rounded Head Profile Standard
Rounded Head Style Round

Dimensions

Length 3/4"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Slotted

Material & Strength

Material PTFE Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -100° to 500° F
REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Extreme temperature resilience for reliable performance in environments ranging from -100°F to 500°F, preventing material failure under thermal stress.
  • Excellent 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, reducing assembly time and improving joint integrity.
  • Slotted drive with rounded head provides easy manual installation and a low-profile, snag-resistant finish.
  • Full UNC coarse threading offers rapid engagement and strong holding power in plastic or soft materials.
  • RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance for global supply chains.
  • Lightweight and non-conductive properties make it perfect for electrical insulation and weight-sensitive applications.

Professional Applications & Engineering Value

This 1/4"-20 x 3/4" PTFE plastic screw is engineered to solve critical challenges in harsh operational environments. Its white PTFE material inherently resists chemicals, moisture, and UV degradation, while the extreme temperature range from -100°F to 500°F ensures stability in automotive, aerospace, and food processing equipment where thermal cycling is common. The rounded head with slotted drive allows for quick manual adjustments in tight spaces, and the fully threaded UNC coarse design provides maximum grip in plastic housings or composite assemblies. By combining high-temperature endurance with RoHS and REACH compliant manufacturing, this screw reduces maintenance downtime and supports sustainable engineering practices.

Specification Summary & Compliance

This screw meets Class 2A thread fit tolerances for consistent engagement and is manufactured with UNC 1/4"-20 coarse threads per standard inch specifications. It is fully threaded for uniform load distribution and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards.

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