S-95868A259 4-40 x 7/16" Plastic Socket Head Screws

Plastic Socket Head Screws

0021FA00151 Plastic Socket Head Screws
0021FA00151 Plastic Socket Head Screws

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

Part No.
Part No. 0021FA00151
Equivalent to mcmaster :
95868A259

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.183"
Head Height 0.112"
Socket Head Profile Standard

Dimensions

Length 7/16"

Thread Parameters

Thread Type UNC
Thread Size 4-40
Thread Diameter 0.112"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Nylon Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -40° to 140° 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 ensures long-lasting performance in harsh chemical environments without rust or degradation
  • Excellent electrical insulation properties prevent current conduction, making them ideal for electronic and electrical applications
  • Wide temperature tolerance from -40° to 140°F maintains structural integrity across various operating conditions
  • Precise Class 2A thread fit provides consistent engagement and reliable fastening in assembly operations
  • Standard hex drive design with 3/32" drive size enables secure installation and easy removal with common tools
  • RoHS 3 compliance guarantees environmentally responsible manufacturing and material safety
  • Lightweight nylon construction reduces overall assembly weight while maintaining mechanical strength

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these nylon plastic socket head cap screws solve critical challenges where metal fasteners fail. The 4-40 UNC coarse thread configuration with Class 2A fit ensures reliable engagement in plastic and soft material applications, preventing stripping while maintaining consistent clamping force. The fully threaded 7/16" length provides maximum grip range for versatile mounting scenarios. These non-conductive fasteners are particularly valuable in electrical enclosures, control panels, and electronic assemblies where electrical isolation is mandatory. The chemical-resistant nylon material withstands exposure to oils, solvents, and moisture without corrosion, making them ideal for automotive, marine, and food processing equipment where environmental resistance is crucial.

Specification Summary & Compliance

This socket head cap screw features precise inch system measurements with UNC coarse threads maintaining Class 2A thread fit tolerances for consistent performance. The fastener is fully threaded with right-hand thread direction and manufactured to meet RoHS 3 (2015/863/EU) compliance standards, ensuring environmental responsibility and material safety. The combination of standard socket head profile and 3/32" hex drive provides industry-standard compatibility with common installation tools.

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