S-91244A722 1/2"-13 x 2 1/2" Plastic Hex Head Screws

Plastic Hex Head Screws

0251FA00030 Plastic Hex Head Screws
0251FA00030 Plastic Hex Head Screws

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

Part No.
Part No. 0251FA00030
Equivalent to mcmaster :
91244A722

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/4"
Head Height 23/64"

Dimensions

Length 2 1/2"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Thread Diameter 0.5"
Thread Spacing Coarse
Min Thread Length 1 1/4"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially 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, extending service life
  • Excellent electrical insulation properties prevent current leakage in electrical assemblies
  • Wide operating temperature range (-40° to 185°F) ensures reliable performance across diverse applications
  • External hex drive design provides secure tool engagement and efficient installation
  • Class 2A thread fit with UNC coarse threading enables quick assembly and reliable fastening
  • RoHS 3 compliance meets environmental regulations for restricted substances
  • Lightweight nylon construction reduces overall assembly weight while maintaining strength

Professional Applications & Engineering Value

These nylon plastic hex head screws deliver exceptional value in applications where corrosion resistance and electrical insulation are critical. The 1/2"-13 UNC coarse thread configuration ensures rapid installation in plastic, wood, and soft metal assemblies, while the partially threaded design provides optimal clamping force distribution. Engineered for Class 2A thread fit, these fasteners maintain precise dimensional stability across the entire -40° to 185°F temperature range, making them ideal for outdoor equipment, electrical enclosures, and chemical processing applications where metal fasteners would corrode or conduct electricity.

Specification Summary & Compliance

This 2 1/2" length hex head screw features 1/2"-13 UNC coarse threads with Class 2A thread fit tolerance, ensuring reliable engagement and consistent performance. Manufactured to inch system specifications with partial threading and external hex drive configuration. The product is fully RoHS 3 (2015/863/EU) compliant, meeting international environmental standards for hazardous substance restrictions.

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