Mutual Screw & Supply

HOLO-KROME 72242 1/2-13 X 3" Socket Cap Screws | Hex Socket Drive | Alloy Steel Thermal Black Oxide (25 / Pkg.)

HOLO-KROME 72242 1/2-13 X 3" Socket Cap Screws | Hex Socket Drive | Alloy Steel - Main image
$33.96 $46.52 In stock

These 1/2-13 x 3" socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Socket Drive
  • Thread size: 1/2-13
  • Length: 3"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Socket Drive
  • Thread size: 1/2-13
  • Length: 3"
  • Threads per inch: 13
  • Measurement type: Inch
  • Pack quantity: 25 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)

Michael L. ★★★★★

The black oxide finish looks sharp and seems durable, and the hex socket drive seated perfectly with my Allen key without any stripping. These have been holding firm in a precision fixture I’ve been tweaking all week, so the alloy steel quality is obvious.

Robert ★★★★★

Installed these in a jig for a production run and the hex socket drive held up perfectly under repeated torque. The 3-inch length was exactly what I needed for clamping thick workpieces without bottoming out.

Penelope ★★★★★

The black oxide finish on these screws really resists marring when I’m torquing them down in jig fixtures, and the socket drive makes it easy to get them snug without stripping. They fit perfectly in the pre‑tapped holes on my tooling plate. Exactly what my shop needed for heavy use.