Mutual Screw & Supply

M3-0.5 X 18mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 18/8 Stainless Steel (1200 / Pkg.)

M3-0.5 X 18mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 18/8 - Main image
$35.23 $51.81 In stock

These M3-0.5 x 18mm 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: M3-0.5
  • Length: 18mm
  • 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: M3-0.5
  • Length: 18mm
  • Measurement type: Metric
  • Pack quantity: 1200 per package
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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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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)

Eva B. ★★★★★

I needed a bulk pack of M3 screws for a jig build, and these 18/8 stainless steel fasteners have held up perfectly so far without any corrosion. The hex socket drive engages cleanly, making assembly fast and frustration-free.

Madison ★★★★★

The hex drive on these fits perfectly with my standard Allen keys, and the 18/8 stainless gives me confidence they won't rust in our damp workshop. A full 1200 pack means I'm set for multiple projects without reordering.

Robert ★★★★★

I needed a bulk batch for my jigs and these 18/8 stainless steel screws arrived perfectly uniform with clean threads. The hex socket drive makes them easy to tighten even in tight spaces, and the 1200 count means I won’t run out anytime soon.