Mutual Screw & Supply

M3-0.5 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 316 Stainless Steel (600 / Pkg.)

M3-0.5 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | 316 - Main image
$25.38 $39.04 In stock

These M3-0.5 x 20mm socket cap screws are manufactured from 316 Stainless Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 316 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: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 20mm
  • Measurement type: Metric
  • Pack quantity: 600 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)

Carter ★★★★★

I was worried about stripping the hex drive, but these M3 screws cut cleanly every time. The 316 stainless steel gives me peace of mind for my outdoor jig project.

Grace W. ★★★★★

Packed these into tight spaces on a couple of precision assemblies, and the hex socket drive grabbed perfectly without stripping. The 316 stainless steel feels noticeably denser and more corrosion-resistant than regular hardware. A full 600-count package like this is a solid value for any detailed t

Sofia ★★★★★

I needed 316 stainless for a saltwater environment and these screws fit perfectly in my jig. The hex socket drive seated cleanly without any stripping.