S-94564A080 1/4"-20 x 1/2" Set Screws

Set Screws

0637FA00017 Set Screws
0637FA00017 Set Screws

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

Part No.
Part No. 0637FA00017
Equivalent to mcmaster :
94564A080

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

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

Tip & Drive Parameters

Tip Type Flat
Drive Style Hex
Drive Size 1/8"

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
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Key Features & Benefits at a Glance

  • Superior corrosion resistance thanks to durable nylon plastic construction, ideal for harsh environments without risk of rust or degradation
  • Excellent electrical insulation properties for safe use in electrical assemblies where conductivity must be avoided
  • Wide temperature tolerance from -40° to 185°F, ensuring reliable performance in fluctuating industrial conditions
  • Precise Class 2A thread fit with UNC coarse threads for easy installation and secure fastening in repetitive applications
  • Headless hex drive design allows for flush mounting and space-saving installation with standard 1/8" hex tools
  • RoHS 3 compliance guarantees environmental safety and meets strict regulatory standards for industrial components
  • Lightweight and non-magnetic off-white nylon material reduces overall assembly weight and prevents magnetic interference

Professional Applications & Engineering Value

This 1/4-20 UNC nylon plastic set screw delivers critical solutions for industries requiring non-conductive, corrosion-resistant fasteners. Its headless design with hex drive enables seamless integration in tight spaces, while the coarse thread spacing and Class 2A thread fit ensure quick assembly and vibration resistance in machinery, electronics, and automotive systems. The nylon material withstands temperature extremes from -40° to 185°F, preventing thermal expansion issues and offering reliable performance in electrical insulation applications. Ideal for securing components in industrial set screws assemblies where metal fasteners could cause short circuits or corrosion.

Specification Summary & Compliance

This set screw adheres to UNC thread standards with a 1/4"-20 thread size and Class 2A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. Manufactured with a flat tip type and right-hand thread direction, it is designed for consistent performance in industrial settings requiring coarse thread spacing and reliable fastening.

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