Mutual Screw & Supply

1/4-20 X 7/8" Socket Cap Screws | Low Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (200 / Pkg.)

1/4-20 X 7/8" Socket Cap Screws | Low Head Hex Socket Drive | Alloy Steel - Main image
$29.29 $48.02 In stock

These 1/4-20 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: 1/4-20
  • 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: 1/4-20
  • Length: 7/8"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 200 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)

Henry Q. ★★★★★

The black oxide finish on these 1/4-20 screws looks great and resists wear well on my jig setup. The low head profile lets me fit them into tight spots without any clearance issues. A solid choice for tooling work.

Edward ★★★★★

I needed low-profile screws for a robotics fixture, and these things are spot on—the low head design leaves plenty of clearance. The black oxide finish already looks like it’ll hold up better than my usual zinc-plated ones.

Claire O. ★★★★★

These black oxide screws fit a tight jig perfectly, and the low head profile lets me use them where standard caps would hit the workpiece. The hex socket drives cleanly without stripping, which matters when you’re assembling a hundred of them.