Mutual Screw & Supply

3/8-16 X 11" Socket Cap Screws | Hex Socket Drive | Partially Threaded | Alloy Steel Thermal Black Oxide (20 / Pkg.)

3/8-16 X 11" Socket Cap Screws | Hex Socket Drive | Partially Threaded | Alloy - Main image
$208.3 $347.17 In stock

These 3/8-16 x 11" 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: 3/8-16
  • Length: 11"
  • 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: 3/8-16
  • Length: 11"
  • Threads per inch: 16
  • Measurement type: Inch
  • Pack quantity: 20 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 (4.8 / 5 · 5 reviews)

Ryan G. ★★★★★

The black oxide finish on these 11-inch screws looks clean and consistent, and the hex socket drive fits my hex key perfectly without any wobble. Used them to secure a heavy jig on my mill, and they held tight with no slippage. Exactly what I needed for this size and length.

Lucy S. ★★★★★

The threads engage smoothly right from the first turn, and that 11-inch length on a partially threaded shaft gave me just the reach I needed for a deep jig setup. They’ve held torque through a full day of machining without a hint of stripping. These are exactly what I’ll reorder when my current stoc

Eli ★★★★★

The black oxide finish wiped clean easily and the threads engaged smoothly into tapped holes on my fixture table. These 11-inch alloy steel screws held up through repetitive clamping without any flex, and the hex socket drive made torquing them down from tight angles painless.