Mutual Screw & Supply

HOLO-KROME 60100 3/8-16 X 1" Socket Cap Screws | Flat Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

HOLO-KROME 60100 3/8-16 X 1" Socket Cap Screws | Flat Head Hex Socket Drive | - Main image
$33.13 $53.44 In stock

These 3/8-16 x 1" 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: 3/8-16
  • Length: 1"
  • 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: 3/8-16
  • Length: 1"
  • Threads per inch: 16
  • 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)

Grace U. ★★★★★

I've been using these for some machine jig builds and the hex socket drive makes installation much easier compared to slotted screws. The threads feel clean and consistent out of the package, which saved me time tapping.

Sofia R. ★★★★★

The black oxide finish is exactly what I needed for a tooling fixture—looks sharp and didn’t gum up on first install. Threads were clean and the hex drive seated snugly in my allen wrench, no wobble at all. These are going into a jig I use daily, and they feel solid enough to last.

Chloe ★★★★★

The socket drive engaged perfectly with my hex wrench, making installation on a jig fixture a breeze. These screws feel solid and the thermal black oxide gives them a clean, consistent look.