Mutual Screw & Supply

1/4-20 X 1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel Thermal Black Oxide (300 / Pkg.)

1/4-20 X 1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel - Main image
$33.86 $46.38 In stock

These 1/4-20 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 size: 1/4-20
  • 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 size: 1/4-20
  • Length: 1/2"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 300 per package
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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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)

Alexander ★★★★★

Finally found a pack that doesn't strip on me—these hex socket drivers seat perfectly even in tight fastening spots. The black oxide finish seems to hold up well against my oily workshop hands too.

Thomas K. ★★★★★

I've been using these for jig assembly and they seat perfectly every time. The black oxide finish looks great and seems like it will hold up well in my shop.

Natalie ★★★★★

Just finished a batch of custom tooling and these black oxide screws fit perfectly into the countersunk holes without any burrs. The hex socket drive grabbed firmly with my Allen key, and the 300-piece pack will last me through several projects.