Mutual Screw & Supply

1/4-20 X 9/16" Socket Cap Screws | Hex Socket Drive | Fully Threaded | Alloy Steel Thermal Black Oxide (200 / Pkg.)

1/4-20 X 9/16" Socket Cap Screws | Hex Socket Drive | Fully Threaded | Alloy - Main image
$28.57 $40.82 In stock

These 1/4-20 x 9/16" 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: 1/4-20
  • Length: 9/16"
  • 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: 1/4-20
  • Length: 9/16"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 200 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 (4.8 / 5 · 5 reviews)

Brian X. ★★★★★

The hex socket drive made it easy to get these into tight spots on my jig setup without stripping. Thread engagement was clean and consistent across all 200 screws.

Nicholas V. ★★★★★

I needed a precise fit for a jig I’m building, and these fully threaded 1/4-20s snugged right in without any binding. The hex socket drive made installation quick with my Allen wrench.

Lily ★★★★★

The black oxide finish on these screws gave them a nice, uniform look against the steel frame I was assembling, and the hex socket drive seated perfectly without any stripping.