Mutual Screw & Supply

5/16-18 X 5" Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | 18/8 Stainless Steel (50 / Pkg.)

5/16-18 X 5" Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded - Main image
$53.48 $71.3 In stock

These 5/16-18 x 5" 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
  • Head style: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 5/16-18
  • Length: 5"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • 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: 5"
  • Threads per inch: 18
  • Measurement type: Inch
  • Pack quantity: 50 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)

Avery R. ★★★★★

Used a full pack on a new jig setup and every single one seated cleanly, the hex socket drive never stripped even under a tight wrench. The 18/8 stainless finish looks sharp and held up fine against some coolant splashes. Definitely grabbing another box for the next project.

Violet ★★★★★

The 5/16-18 threads on these button head screws are clean and catch perfectly, no cross-threading. I used them for a bench jig and the stainless steel finish should resist rust well.

Victoria C. ★★★★★

Had to swap out some worn bolts on a jig at the shop and these 18/8 stainless screws threaded in perfectly without binding. The hex socket drive grabbed cleanly with my Allen wrench, and the extra length at 5 inches gave me just the reach I needed. Tough, precise, and a solid deal for a pack of fift