Mutual Screw & Supply

1/2-13 X 4" Socket Cap Screws | Hex Socket Drive | Nylon Pellet | Partially Threaded | Alloy Steel Thermal Black Oxide (25 / Pkg.)

1/2-13 X 4" Socket Cap Screws | Hex Socket Drive | Nylon Pellet | Partially - Main image
$59.15 $78.86 In stock

These 1/2-13 x 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: Partially Threaded
  • Thread size: 1/2-13
  • Length: 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: Partially Threaded
  • Thread size: 1/2-13
  • Length: 4"
  • Threads per inch: 13
  • Measurement type: Inch
  • Pack quantity: 25 per package
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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)

Nicholas ★★★★★

The hex socket drive gripped my Allen key perfectly without stripping, which was my main worry with cheaper screws. These handled the torque on a jig fixture I built without any issue at all.

David I. ★★★★★

The black oxide finish really helps these resist rust in my shop, and the hex socket drive made installation quick with an Allen key. I used them to build a heavy-duty tooling jig, and the threads grabbed perfectly.

Kevin S. ★★★★★

I needed a solid screw for a jig fixture that would hold up under repeated tightening, and the nylon pellet in these is a lifesaver for keeping the threads locked once set. The hex socket drive makes installation straightforward with a standard Allen key, and the 25-pack gives me plenty for future p