Mutual Screw & Supply

1/2-13 X 7/8" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel Thermal Black Oxide (140 / Pkg.)

1/2-13 X 7/8" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel - Main image
$99.63 $140.33 In stock

These 1/2-13 x 7/8" 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: 1/2-13
  • Length: 7/8"
  • 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: 1/2-13
  • Length: 7/8"
  • Threads per inch: 13
  • Measurement type: Inch
  • Pack quantity: 140 per package
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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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)

Edward P. ★★★★★

The black oxide finish on these screws is holding up perfectly in my jig setup, and the hex socket drive makes installation quick with an allen key. The alloy steel feels tough and precise, just what I needed for a tight assembly. A solid batch of fasteners that delivered exactly what I expected.

Edward G. ★★★★★

I needed a good batch of socket cap screws for a jig I’m building, and these are machined cleanly with no burs. The hex socket drive grips perfectly with my Allen key, and the black oxide finish looks professional.

Avery E. ★★★★★

The black oxide finish on these screws is flawless and resists scratches better than any hardware store stuff I've used. I put them on a jig for my drill press and they seated perfectly without any binding. Just solid, USA-made fasteners for when you need them to hold tight.