S-95235A515 10-24 x 1/4" ASME B18.3, ASTM F912 Set Screws

Set Screws

0666FA00006 Set Screws
0666FA00006 Set Screws

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

Part No.
Part No. 0666FA00006
Equivalent to mcmaster :
95235A515

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
External Thread Fit Class 3A
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Maximum Temperature 250°F
Thread Locker Min Temperature Not Rated

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.049"
Tip Length Tolerance -0.008" to 0"
Tip Diameter 0.127"
Tip Diameter Tolerance -0.007" to 0"
Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, ASTM F912
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior vibration resistance with nylon patch thread locking that maintains holding power up to 250°F, preventing loosening in demanding applications.
  • High-strength durability from alloy steel construction and Rockwell C45 hardness, ensuring long service life under mechanical stress.
  • Precise installation and torque control with a 3/32" hex drive, allowing secure tightening in confined spaces without head interference.
  • Reliable thread engagement due to Class 3A external thread fit and coarse UNC threading, providing consistent clamping force.
  • Enhanced grip and positioning with an extended tip design, improving contact surface for secure component fastening.
  • Broad industrial compatibility meeting ASME B18.3 standards, ensuring interchangeability and performance in various assemblies.
  • Environmentally compliant with RoHS 3 and REACH regulations, supporting sustainable and safe manufacturing processes.

Professional Applications & Engineering Value

This 10-24 UNC set screw is engineered to address common industrial challenges like vibration-induced loosening and misalignment in machinery. The alloy steel material, combined with Rockwell C45 hardness, offers excellent wear resistance and strength, making it ideal for high-stress environments such as automotive assemblies, precision equipment, and rotating shafts. The nylon patch locking feature ensures reliable fastening without the need for additional adhesives, reducing maintenance downtime. Its headless design and hex drive facilitate easy installation in tight spaces, while the extended tip enhances grip on components, preventing slippage. Compliant with ASME B18.3, it provides consistent performance in OEM and MRO applications, ensuring operational safety and efficiency.

Specification Summary & Compliance

This set screw adheres to Class 3A external thread fit for precise tolerance, with UNC coarse threads (10-24 size) and a length of 1/4". It meets ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard reliability.

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