Mutual Screw & Supply

5/16-18 X 1/2" Socket Cap Screws | Button Head Hex Socket Drive | 18/8 Stainless Steel (100 / Pkg.)

5/16-18 X 1/2" Socket Cap Screws | Button Head Hex Socket Drive | 18/8 - Main image
$14.06 $19.8 In stock

These 5/16-18 x 1/2" socket cap screws are manufactured from 18/8 Stainless Steel, featuring a hex socket drive and a button head. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 18/8 Stainless Steel
  • Drive: Hex Socket
  • Head style: Button
  • Thread size: 5/16-18
  • Length: 1/2"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Head style: Button
  • Drive type: Hex Socket
  • Thread size: 5/16-18
  • Length: 1/2"
  • Threads per inch: 18
  • Measurement type: Imperial
  • Pack quantity: 10 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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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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Returning an item

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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)

Julian F. ★★★★★

The hex drive on these screws is precisely machined, making them a joy to install without any cam-out. Used them on a small machinery fixture, and the 18/8 stainless finish already looks as good as the day they arrived.

Hannah J. ★★★★★

Installed these on a custom jig for a machining project, and the hex socket drive makes tightening in tight spots so much easier. The button head profile gives a clean, low-profile finish too.

Avery Q. ★★★★★

These screws are holding up great on the machine fixture I built; the hex drive seated perfectly without any stripping. The 18/8 stainless feels solid and hasn't shown a hint of corrosion after a few weeks in a damp shop.