Mutual Screw & Supply

3/8-24 X 1-1/4" Socket Cap Screws | Hex Socket Drive | Nylon Patch | Fully Threaded | Alloy Steel Thermal Black Oxide (100 / Pkg.)

3/8-24 X 1-1/4" Socket Cap Screws | Hex Socket Drive | Nylon Patch | Fully - Main image
$63.91 $101.45 In stock

These 3/8-24 x 1-1/4" 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: Fully Threaded
  • Thread size: 3/8-24
  • Length: 1-1/4"
  • 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: Fully Threaded
  • Thread size: 3/8-24
  • Length: 1-1/4"
  • Threads per inch: 24
  • Measurement type: Inch
  • Pack quantity: 100 per package
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Standard Shipping · United States: $0.00

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 (5.0 / 5 · 5 reviews)

Miles ★★★★★

The nylon patch locks them in place perfectly on my jig build, so no more worrying about vibration loosening. The black oxide finish gives them a nice, uniform look that matches my machine's other hardware too.

Mia T. ★★★★★

Used these on a precision indexing fixture I'm building, and the nylon patch really holds them in place under vibration—no need for thread locker. The black oxide finish also looks sharp against the aluminum plates, and all 100 came clean and burr-free.

Matthew ★★★★★

Fit perfectly on my jig fixture and the thermal black oxide finish looks great against the machined surfaces. The nylon patch holds them snug so I don't worry about them backing out during vibration, which is exactly what I needed.