Mutual Screw & Supply

#12-24 X 1-3/8" Socket Cap Screws | Hex Socket Drive | Partially Threaded | Alloy Steel Thermal Black Oxide (100 / Pkg.)

#12-24 X 1-3/8" Socket Cap Screws | Hex Socket Drive | Partially Threaded | - Main image
$63.94 $87.59 In stock

These #12-24 x 1-3/8" socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: #12-24
  • Length: 1-3/8"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: #12-24
  • Length: 1-3/8"
  • Threads per inch: 24
  • Measurement type: Inch
  • Pack quantity: 100 per package
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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Jacob C. ★★★★★

Installed these in a new tooling fixture and the hex socket drive made tightening a breeze, even in tight spots. The black oxide finish feels durable and didn't chip on the first few adjustments. Solid little screws for precision work.

Daniel A. ★★★★★

I needed some stronger fasteners for a jig I’m building, and these cap screws fit perfectly with their #12-24 threads. The black oxide finish feels durable and clean, and the hex socket drive works smoothly without stripping.

Leo R. ★★★★★

The hex socket drive engages my Allen wrench securely without any wobble—a big plus for repeated tightening. After using a few in my tooling fixture, the black oxide finish held up nicely against minor scrapes. Exactly what I needed for precise assembly work.