Mutual Screw & Supply

HOLO-KROME 60098 3/8-16 X 3/4" Socket Cap Screws | Flat Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

HOLO-KROME 60098 3/8-16 X 3/4" Socket Cap Screws | Flat Head Hex Socket Drive | - Main image
$32.88 $51.37 In stock

These 3/8-16 x 3/4" 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: 3/4"
  • 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: 3/4"
  • 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)

Violet ★★★★★

I needed a batch of sturdy fasteners for a jig I was building, and these socket cap screws fit perfectly into the threaded holes without any binding. The flat head design sits flush, which made assembly much cleaner than with standard bolts.

Zoe M. ★★★★★

The black oxide finish on these screws looks clean and professional, and the hex drive seated perfectly with my Allen wrench. Used a dozen to secure a steel bracket on a press fixture—no stripping or wobble.

Ryan R. ★★★★★

Installed a handful of these in a jig for a milling setup, and the black oxide finish held up nicely against the cutting fluid. The threading was clean and consistent across all 100 pieces.