Mutual Screw & Supply

M3-0.5 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 18/8 Stainless Steel (1200 / Pkg.)

M3-0.5 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 18/8 - Main image
$35.62 $52.38 In stock

These M3-0.5 x 20mm 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: 20mm
  • 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: 20mm
  • Measurement type: Metric
  • Pack quantity: 1200 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 (5.0 / 5 · 5 reviews)

Olivia ★★★★★

The hex socket drive grips perfectly without stripping, even under my impact driver on these jig builds. All 1200 pieces in the bag were clean and consistent in length.

Ava N. ★★★★★

Finally got a chance to sort the whole pack for a small fixture project—every single screw threaded smoothly without any cross-threading issues. The hex drive bit fits snugly, which makes assembly feel solid and precise.

James ★★★★★

Used these for a jig I'm building and the 18/8 stainless finish looks clean against the aluminum. The fully threaded length grabbed nicely in shallow holes, and not a single one stripped across the whole 1200 count.