Mutual Screw & Supply

3/4-10 X 5-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel Thermal Black Oxide (35 / Pkg.)

3/4-10 X 5-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel - Main image
$251.29 $418.82 In stock

These 3/4-10 x 5-1/2" 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: 3/4-10
  • Length: 5-1/2"
  • 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: 3/4-10
  • Length: 5-1/2"
  • Threads per inch: 10
  • Measurement type: Inch
  • Pack quantity: 35 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 (4.8 / 5 · 5 reviews)

Carter ★★★★★

Needed a solid batch for a heavy jig I'm building, and these 3/4-10s threaded clean without any galling. The thermal black oxide looks even and gave a nice, consistent finish across all 35 pieces. They seat firmly with a hex key, so I'm confident they'll hold up under load.

Natalie ★★★★★

I needed some heavy-duty bolts for a jig I'm building, and these 5-1/2" long screws gave me the exact thread engagement I was looking for. The hex socket drive made installation a breeze with my allen wrench.

Ellie ★★★★★

The black oxide finish is a nice touch—it gives them a clean, uniform look and seems to resist handling marks better than plain steel. I’ve been using them to bolt down a heavy jig base, and the threads cut easily without any binding. For the price per package, you’re getting solid USA-made hardware