Mutual Screw & Supply

1/4-28 X 1/2" Socket Cap Screws | Hex Socket Drive | Nylon Pellet | Fully Threaded | Alloy Steel Thermal Black Oxide (100 / Pkg.)

1/4-28 X 1/2" Socket Cap Screws | Hex Socket Drive | Nylon Pellet | Fully - Main image
$191.67 $281.87 In stock

These 1/4-28 x 1/2" 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: 1/4-28
  • Length: 1/2"
  • 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: 1/4-28
  • Length: 1/2"
  • Threads per inch: 28
  • 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 (4.6 / 5 · 5 reviews)

Abigail ★★★★★

I needed a batch for a jig I was building, and these screws threaded in smoothly without any binding. The black oxide finish also gives them a nice, uniform look for precision work.

Robert ★★★★★

Installed these in a custom jig I’ve been building, and the nylon pellet really holds the threads tight without any loosening. The black oxide finish feels durable and the hex drive seated cleanly with my Allen key.

Ella ★★★★★

These hex socket screws fit perfectly into my jig fixtures, and the black oxide finish seems really durable against wear. The nylon pellet is a nice touch—keeps them secure without loosening during vibration from the machinery. Exactly what I needed for a precision assembly project.