Mutual Screw & Supply

5/16-24 X 3/8" Socket Cap Screws | Low Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)

5/16-24 X 3/8" Socket Cap Screws | Low Head Hex Socket Drive | Alloy Steel - Main image
$24.01 $36.38 In stock

These 5/16-24 x 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
  • Drive: Hex Socket Drive
  • Thread size: 5/16-24
  • Length: 3/8"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Hex Socket Drive
  • Thread size: 5/16-24
  • Length: 3/8"
  • Threads per inch: 24
  • 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 (4.6 / 5 · 5 reviews)

Alexander U. ★★★★★

The black oxide finish on these screws looks great and seems to hold up well during assembly. They fit perfectly in my fixture setup without any issues.

Eli P. ★★★★★

The low head profile is perfect for my jigs where clearance is tight, and the hex socket grabs cleanly without stripping. Fastened a few prototype brackets with them and they torqued down evenly, finish looks consistent across all 100 pieces.

Samuel ★★★★★

These low head screws were exactly what I needed for a tight clearance in a jig I'm building. The black oxide finish looks clean and seems like it will resist rust well.