Mutual Screw & Supply

HOLO-KROME 64044 1/4-20 X 5/8" Socket Cap Screws | Button Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

HOLO-KROME 64044 1/4-20 X 5/8" Socket Cap Screws | Button Head Hex Socket Drive - Main image
$27.48 $37.14 In stock

These 1/4-20 x 5/8" 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: Button Head
  • Drive: Socket Drive
  • Thread size: 1/4-20
  • Length: 5/8"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Socket Drive
  • Thread size: 1/4-20
  • Length: 5/8"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 100 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)

Julian M. ★★★★★

Used these to secure a jig fixture on the mill, and the black oxide finish held up well against the coolant spray without any rust spots after a week. The hex socket drive let me get them snug with a T-handle wrench—much easier than dealing with a Phillips head in tight spaces.

Victoria ★★★★★

Finally got around to swapping out some old fasteners on my workbench jig and these button heads seated perfectly without stripping. The black oxide finish is a nice touch, looks clean and professional.

Ava ★★★★★

Took a few of these out for a quick test fit on a new jig I'm building, and the hex socket drive bites cleanly without any cam-out. The thermal black oxide finish is even and hasn't shown a single streak after some handling. These are going to be my go-to for this size from now on.