Mutual Screw & Supply

5/16-18 X 5/8" Socket Cap Screws | Hex Socket Drive | 18/8 Stainless Steel (200 / Pkg.)

5/16-18 X 5/8" Socket Cap Screws | Hex Socket Drive | 18/8 Stainless Steel (200 - Main image
$14.07 $19.27 In stock

These 5/16-18 x 5/8" 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
  • Thread size: 5/16-18
  • Length: 5/8"
  • 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
  • Thread size: 5/16-18
  • Length: 5/8"
  • Threads per inch: 18
  • Measurement type: Imperial
  • Pack quantity: 100 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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Delivery costs

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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 (5.0 / 5 · 5 reviews)

David E. ★★★★★

Finally, a pack that actually has 200 fasteners — I counted a few bags and they were all spot on. The threads are clean and the stainless finish is smooth, no burrs or rough edges to fight with when tightening.

Evelyn ★★★★★

The hex socket drive is a godsend for tight spots—my Allen wrench just clicks right in without any wobble. I used a dozen for a jig on my drill press and they seated flush without a single stripped head. Solid enough that I'm already planning to order another pack for the next project.

Amelia L. ★★★★★

All 200 screws arrived neatly packed with consistent threading, and the hex socket drive gripped my Allen key perfectly without stripping. They're holding up great on my tooling fixtures so far.