Mutual Screw & Supply

7/8-9 X 6-1/2" Socket Cap Screws | Hex Socket Drive | Partially Threaded | Alloy Steel Thermal Black Oxide (10 / Pkg.)

7/8-9 X 6-1/2" Socket Cap Screws | Hex Socket Drive | Partially Threaded | - Main image
$81.32 $108.43 In stock

These 7/8-9 x 6-1/2" 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 style: Partially Threaded
  • Thread size: 7/8-9
  • Length: 6-1/2"
  • 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 style: Partially Threaded
  • Thread size: 7/8-9
  • Length: 6-1/2"
  • Threads per inch: 9
  • Measurement type: Inch
  • Pack quantity: 10 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 (4.6 / 5 · 5 reviews)

Emily C. ★★★★★

The black oxide finish on these screws held up perfectly when I clamped them into my milling vise—no scratches or galling. They threaded smoothly into tapped holes for a jig rebuild I’ve been putting off. Exactly the length and thread pitch I needed for that deep fixture.

Charlotte ★★★★★

I needed a longer bolt for a jig I was building, and these 6-1/2" cap screws fit perfectly into the tapped holes. The black oxide finish feels durable and hasn't shown any signs of wear after a few assembly cycles.

Kevin I. ★★★★★

The hex socket drive gave me a solid grip when tightening these into a jig I'm building, and the black oxide finish looks clean and professional. I used three of them for a heavy-duty fixture, and they seated perfectly without any stripping. Exactly what I needed for precise assembly work.