Mutual Screw & Supply

HOLO-KROME 60056 1/4-20 X 3/8" Socket Cap Screws | Flat Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

HOLO-KROME 60056 1/4-20 X 3/8" Socket Cap Screws | Flat Head Hex Socket Drive | - Main image
$18.29 $29.99 In stock

These 1/4-20 x 3/8" 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
  • Head style: Flat Head
  • Drive: Socket Drive
  • Thread size: 1/4-20
  • Length: 3/8"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Socket Drive
  • Thread size: 1/4-20
  • Length: 3/8"
  • 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 (4.6 / 5 · 5 reviews)

Victoria N. ★★★★★

I've used these on a few jigs and they seat flush without any wobble, which is exactly what I needed for precision work. The hex socket drive grips well, no stripped heads even after multiple tightenings.

Christopher ★★★★★

I was installing these on a jig and the black oxide finish held up nicely against minor scratches. The hex socket drive made tightening them in tight spots much easier than I expected.

Victoria ★★★★★

Just got these in for a tooling fixture I'm finishing up, and the black oxide finish is clean and consistent across the whole pack. The hex socket drive seated perfectly with my Allen key, no stripped heads on the first few I've torqued down.