Mutual Screw & Supply

5/16-18 X 1-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Fully Threaded | 18/8 Stainless Steel (20 / Pkg.)

5/16-18 X 1-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Fully - Main image
$29.26 $40.08 In stock

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

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

Specifications

  • Product type: Socket Cap Screws
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 5/16-18
  • Length: 1-1/2"
  • Threads per inch: 18
  • Measurement type: Inch
  • Pack quantity: 20 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 (4.6 / 5 · 5 reviews)

Aurora ★★★★★

I swapped out some generic bolts on my tooling jig and these threaded in smoothly without any binding. The 18/8 stainless feels solid and should hold up well in the shop.

Penelope ★★★★★

The 18/8 stainless steel looks clean and professional on my machinery, and the fully threaded design made for a rock-solid hold. The hex socket drive is precise, no stripping even with a tight torque. These are my new go-to for precision assemblies.

James ★★★★★

Installed these in a jig I’m building, and the threads cut cleanly with no binding. The stainless finish looks solid, and they’re fully threaded, which made depth adjustments easy.