S-92505A238 10-24 x 1/4" ASME B18.3, ASTM F912 Set Screws

Set Screws

0657FA00019 Set Screws
0657FA00019 Set Screws

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

Part No.
Part No. 0657FA00019
Equivalent to mcmaster :
92505A238

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
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.049"
Tip Length Tolerance -0.005" to 0"
Tip Diameter 0.127"
Tip Diameter Tolerance -0.007" to 0"
Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Black-Oxide 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
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with Black Oxide finish, extending service life in demanding industrial environments.
  • Exceptional holding power from the extended tip design, ensuring a secure and permanent grip on components.
  • High-strength durability provided by Alloy Steel with a Rockwell C45 hardness, resisting wear and deformation.
  • Precise and reliable installation with a Class 3A thread fit, guaranteeing tight tolerances and reduced risk of cross-threading.
  • Easy and efficient fastening using the 3/32" hex drive, allowing for high torque application in confined spaces.
  • Broad compatibility with 10-24 UNC coarse threads, making it ideal for a wide range of standard industrial assemblies.
  • Confident compliance with ASME B18.3 standards, ensuring consistent quality and performance.

Professional Applications & Engineering Value

This 10-24 UNC set screw is engineered to solve critical challenges in precision assembly and motion control systems. The headless, hex drive design allows for flush mounting in tight spaces, preventing interference while the extended tip bites securely into shafts, collars, and pulleys to resist loosening under vibration. Manufactured from Black Oxide Alloy Steel, it offers excellent strength and moderate corrosion resistance, making it a reliable choice for industrial machinery, automotive components, and power transmission applications. The Class 3A thread fit and coarse thread spacing ensure quick installation and a secure, precise fit, reducing assembly time and improving the reliability of the final product.

Specification Summary & Compliance

This set screw conforms to ASME B18.3 specifications, with a Class 3A thread fit for high precision. The 10-24 UNC coarse thread and dimensional tolerances, including tip length and diameter, are strictly controlled. It is manufactured from Alloy Steel with a Rockwell C45 hardness and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.

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