S-94613A539 1/4"-20 x 5/8" Plastic Hex Head Screws

Plastic Hex Head Screws

0251FA00153 Plastic Hex Head Screws
0251FA00153 Plastic Hex Head Screws

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

Part No.
Part No. 0251FA00153
Equivalent to mcmaster :
94613A539

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/8"
Head Height 3/16"

Dimensions

Length 5/8"

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 External Hex

Material & Strength

Material Nylon Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -40° to 185° F
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Superior corrosion resistance eliminates rust concerns in harsh environments and extends service life
  • Excellent electrical insulation properties prevent current leakage and short circuits in electrical applications
  • Lightweight nylon construction reduces component weight while maintaining structural integrity
  • External hex drive design enables quick installation and removal with standard tools
  • Wide temperature tolerance from -40° to 185°F ensures reliable performance across diverse operating conditions
  • Class 2A thread fit provides consistent engagement and secure fastening without binding
  • RoHS 3 compliance meets environmental regulations for industrial applications

Professional Applications & Engineering Value

These nylon hex head screws deliver critical engineering advantages where metal fasteners fail. The off-white nylon plastic material provides inherent corrosion resistance, making them ideal for chemical processing, marine, and outdoor applications where moisture and corrosive agents are present. Their electrical insulation properties make them essential for electrical enclosures, control panels, and electronic assemblies where current isolation is mandatory. The UNC coarse thread design ensures rapid installation and reliable holding power in plastic, wood, and soft materials, while the external hex drive accommodates high-torque applications without stripping. Operating across a broad temperature range from -40° to 185°F, these screws maintain dimensional stability in both freezing and elevated temperature environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Features UNC coarse thread (1/4"-20) with right-hand thread direction and fully threaded design. Compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring restriction of hazardous substances. The inch system measurement provides compatibility with North American equipment and specifications.

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