Mutual Screw & Supply

HOLO-KROME 61018 1/4-28 X 1/2" Socket Cap Screws | Flat Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

HOLO-KROME 61018 1/4-28 X 1/2" Socket Cap Screws | Flat Head Hex Socket Drive | - Main image
$22.61 $34.26 In stock

These 1/4-28 x 1/2" 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: 1/4-28
  • Length: 1/2"
  • 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: 1/4-28
  • Length: 1/2"
  • Threads per inch: 28
  • 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)

Penelope Y. ★★★★★

I needed a handful for a jig I was building, and the black oxide finish on these feels really durable and consistent across all 100 screws. The flat head sits flush perfectly in a countersunk hole, which saved me from having to ream out any burrs.

Avery Q. ★★★★★

Used these to mount a precision tool holder, and the flat head sits perfectly flush. The black oxide finish looks clean and the hex drive made install easy.

Timothy Z. ★★★★★

I needed some strong fasteners for a jig I was building, and these black oxide screws held up perfectly during assembly. The hex socket drive made installation quick even in a tight spot with my T-handle wrench.