S-94564A753 1/4"-20 x 3/16" Set Screws

Set Screws

0637FA00129 Set Screws
0637FA00129 Set Screws

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

Part No.
Part No. 0637FA00129
Equivalent to mcmaster :
94564A753

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 3/16"

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

  • Corrosion-free performance in humid or chemical environments thanks to durable nylon plastic construction
  • Secure flush mounting with headless hex design that prevents snagging and maintains clean profiles
  • Reliable coarse thread engagement with UNC Class 2A fit ensuring consistent clamping force in vibration-prone applications
  • Wide temperature tolerance from -40° to 185°F for stable performance across diverse operating conditions
  • Easy installation and removal using standard 1/8" hex tools without specialized equipment
  • Environmental compliance with RoHS 3 regulations for use in regulated industries
  • Non-marring flat tip that protects shaft surfaces while providing positive positioning

Professional Applications & Engineering Value

Engineered for precision fastening where electrical insulation and chemical resistance are critical, these nylon plastic set screws solve multiple industrial challenges. The headless hex design with 1/8" drive allows installation in confined spaces while maintaining smooth surface profiles. With UNC coarse threads and Class 2A fit, they provide reliable holding power in vibration-prone assemblies without galling or seizing. The temperature range of -40° to 185°F makes them suitable for outdoor equipment, electrical enclosures, and machinery operating in variable conditions. Their non-conductive properties prevent electrical shorts, while the flat tip design ensures secure positioning without damaging shaft surfaces in adjustment applications.

Specification Summary & Compliance

This 1/4"-20 UNC set screw features Class 2A thread fit per ASME B1.1 standards with coarse thread spacing for optimal engagement. The 3/16" length and 0.25" thread diameter provide precise dimensional control. Manufactured from off-white nylon plastic with right-hand threads and flat tip configuration. Compliant with RoHS 3 (2015/863/EU) environmental regulations for restricted substance control.

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