S-94564A773 1/4"-20 x 1 1/4" Set Screws

Set Screws

0637FA00131 Set Screws
0637FA00131 Set Screws

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

Part No.
Part No. 0637FA00131
Equivalent to mcmaster :
94564A773

Basic Information

Color Off-White
System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1 1/4"

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

  • Non-conductive and corrosion-resistant nylon construction prevents electrical interference and eliminates rust in sensitive environments
  • Precise Class 2A thread fit ensures consistent engagement and reliable fastening without binding or cross-threading
  • Wide temperature tolerance (-40° to 185°F) maintains structural integrity across diverse operating conditions
  • 1/8" hex drive design provides secure tool engagement for simplified installation and removal
  • RoHS 3 compliance meets international environmental standards for restricted substances
  • Coarse UNC threading enables rapid assembly and superior vibration resistance in industrial applications
  • Flat tip configuration delivers maximum surface contact for secure component positioning

Professional Applications & Engineering Value

Engineered for precision fastening in electrical enclosures, machinery guards, and thermal-sensitive assemblies, this nylon plastic set screw solves critical challenges where metal fasteners fail. The off-white nylon material provides excellent dielectric properties while resisting chemicals and moisture degradation. With 1/4-20 UNC coarse threading and Class 2A thread fit, installation becomes faster and more reliable than fine-thread alternatives, particularly in vibration-prone environments. The hex headless design allows flush mounting in confined spaces while the flat tip ensures secure component alignment without surface damage. Ideal for temperature-resistant applications from freezer systems to moderate heat environments.

Specification Summary & Compliance

Manufactured to UNC thread standards with Class 2A thread fit precision tolerances. The 1/4"-20 coarse thread configuration provides optimal performance in most industrial applications. Compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use in electronic and consumer products. Dimensions include 1-1/4" length with 0.25" thread diameter and 1/8" hex drive specification for standardized tool compatibility.

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