Mutual Screw & Supply

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

3/8-16 X 1-3/8" Socket Cap Screws | Button Head Hex Socket Drive | Alloy Steel - Main image
$154.94 $227.86 In stock

These 3/8-16 x 1-3/8" socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex 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: Hex Socket Drive
  • Thread size: 3/8-16
  • Length: 1-3/8"
  • 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: Hex Socket Drive
  • Thread size: 3/8-16
  • Length: 1-3/8"
  • Threads per inch: 16
  • 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 (5.0 / 5 · 5 reviews)

Richard D. ★★★★★

The hex socket drive made installation a breeze on my new jig setup, and the black oxide finish looks clean and professional. Perfect fit for tightening into tight spots where a standard wrench can't reach.

Edward Z. ★★★★★

I needed a bulk set of strong bolts for a jig I’m building, and the hex socket drive made tightening them in tight spots much easier than using a regular wrench. The thermal black oxide coating gave them a nice, even look out of the package, and the threading meshed perfectly with my existing hardwa

Matthew C. ★★★★★

The black oxide finish on these screws looks great and seems durable—no chipping after tightening several into a steel plate. Used them for securing some custom tooling fixtures, and the hex socket drive made installation a breeze with no stripping.