S-95868A267 4-40 x 1 1/4" Plastic Socket Head Screws

Plastic Socket Head Screws

0021FA00159 Plastic Socket Head Screws
0021FA00159 Plastic Socket Head Screws

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

Part No.
Part No. 0021FA00159
Equivalent to mcmaster :
95868A267

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 1 1/4"

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 eliminates rust and degradation in harsh chemical and marine environments
  • Excellent electrical insulation properties prevent current conduction and short circuits in electronic assemblies
  • Wide temperature tolerance from -40° to 140°F maintains performance in varied operating conditions
  • Precise Class 2A thread fit ensures smooth installation and reliable fastening in UNC coarse thread applications
  • 3/32" hex socket drive provides secure tool engagement and prevents stripping during installation
  • RoHS 3 compliance meets environmental regulations for restricted hazardous substances
  • Lightweight nylon construction reduces overall assembly weight while providing durable fastening

Professional Applications & Engineering Value

This nylon plastic socket head cap screw with 4-40 UNC coarse threads delivers critical performance advantages where metal fasteners would compromise system integrity. The non-conductive properties make it ideal for electronics assembly, preventing electrical shorts and ground faults. In marine and chemical processing applications, the material's inherent corrosion resistance ensures long-term reliability without galvanic corrosion concerns. The fully threaded design with Class 2A thread fit provides consistent clamping force across the entire 1-1/4" length, while the standard socket head profile with 3/32" hex drive accommodates standard tools for efficient installation in confined spaces.

Specification Summary & Compliance

Manufactured to UNC thread standards with Class 2A thread fit for consistent dimensional accuracy. The screw features right-hand coarse threads in 4-40 size with 1-1/4" fully threaded length in the inch system. Compliant with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and restricted substance compliance for global manufacturing requirements.

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