Mutual Screw & Supply

1/4-20 X 2-1/2" Socket Cap Screws | Hex Socket Drive | Nylon Patch | Partially Threaded | Alloy Steel Thermal Black Oxide (100 / Pkg.)

1/4-20 X 2-1/2" Socket Cap Screws | Hex Socket Drive | Nylon Patch | Partially - Main image
$41.31 $66.63 In stock

These 1/4-20 x 2-1/2" 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: Partially Threaded
  • Thread size: 1/4-20
  • Length: 2-1/2"
  • 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: Partially Threaded
  • Thread size: 1/4-20
  • Length: 2-1/2"
  • Threads per inch: 20
  • 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)

Scarlett ★★★★★

The black oxide finish on these screws handled the moisture in my workshop without any rust, and the hex socket drive made them easy to torque down with my Allen wrench. They held securely in my jig build, and the partial threading provided plenty of grip.

Lily ★★★★★

The nylon patch is a game changer for my precision assemblies—these screws hold their torque even under vibration, and the black oxide finish looks sharp on my jigs. Thread engagement is smooth right out of the bag, and the partial threading gives just the right grip length for thicker plates.

Joseph ★★★★★

I was replacing some worn jig hardware and these black oxide cap screws threaded in smooth and held tight. The nylon patch is a nice bonus too—no loosening after a full day of vibration.