Mutual Screw & Supply

M3-0.5 X 30mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | 316 Stainless Steel (600 / Pkg.)

M3-0.5 X 30mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | - Main image
$25.63 $40.68 In stock

These M3-0.5 x 30mm 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
  • Head style: Flat Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 30mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 30mm
  • Measurement type: Metric
  • Pack quantity: 600 per package
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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)

Richard ★★★★★

Put a handful in my 3D printer’s bed leveling screws to replace the worn-out brass ones — the hex socket grips perfectly with a 1.5mm driver. The 316 stainless feels much sturdier than expected, and the full threading gives a solid bite into aluminum brackets.

Miles ★★★★★

Installed these in a marine-grade jig and the 316 stainless held up perfectly after a week in salt spray. The flat head sits flush without any snagging, which is exactly what I needed.

Olivia ★★★★★

These screws are perfect for the precision jig I’m building—the hex socket drive makes them easy to tighten without stripping. The 316 stainless steel also feels much more corrosion-resistant than the standard ones I’ve used before.