Mutual Screw & Supply

M3 X 18mm Socket Cap Screws | Hex Socket Drive | 18/8 Stainless Steel (600 / Pkg.)

M3 X 18mm Socket Cap Screws | Hex Socket Drive | 18/8 Stainless Steel (600 / - Main image
$14.85 $19.8 In stock

These M3 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
  • Thread size: M3
  • 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
  • Thread size: M3
  • Length: 18mm
  • Measurement type: Metric
  • 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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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 (4.4 / 5 · 5 reviews)

Abigail V. ★★★★★

The hex socket drive sits in perfectly without stripping, even on my third assembly. These 18/8 stainless M3s are solid for precise work, and the 600 count means I won’t restock for a while.

Eli ★★★★★

Pulled these out for a jig I’m building, and the 18/8 stainless steel feels solid—no rough edges or burrs. They threaded cleanly into M3 tapped holes without any binding. Exactly what I needed for precision assemblies.

Aurora O. ★★★★★

Finally got a chance to use these on a jig I was building, and the hex socket drive made installation really smooth with my allen key. The 18/8 stainless steel feels solid and they fit perfectly into the M3 tapped holes.