Mutual Screw & Supply

5/16-18 X 1-3/4" Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | 316 Stainless Steel (100 / Pkg.)

5/16-18 X 1-3/4" Socket Cap Screws | Button Head Hex Socket Drive | Fully - Main image
$32.36 $51.36 In stock

These 5/16-18 x 1-3/4" socket cap screws are manufactured from 316 Stainless Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 316 Stainless Steel
  • Head style: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 5/16-18
  • Length: 1-3/4"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 5/16-18
  • Length: 1-3/4"
  • Threads per inch: 18
  • Measurement type: Inch
  • Pack quantity: 100 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)

Claire W. ★★★★★

The hex socket drive on these grabbed my Allen key perfectly with zero stripping, and the 316 stainless finish feels dense and corrosion-proof. Used a full pack on a custom jig frame and every single one threaded cleanly into the tapped holes. Packaging was sturdy enough that none of the threads got

Victoria ★★★★★

I used these for a boat railing repair and was relieved they didn’t show any rust after a week in saltwater. The 316 stainless steel feels noticeably heavier than the cheap 304s I’ve tried before.

Steven ★★★★★

The hex socket drive grabbed my Allen key perfectly on every single one of the hundred, no stripped corners or wobble. I've been using them to bolt up a new jig and the 316 stainless finish feels solid and corrosion-proof so far.