Mutual Screw & Supply

M3 X 4mm Cup Point Socket Set Screws | 316 Stainless Steel (100 / Pkg.)

M3 X 4mm Cup Point Socket Set Screws | 316 Stainless Steel (100 / Pkg.) - Main image
$7 $10 In stock

These M3 x 4mm socket set screws are manufactured from 316 Stainless Steel, featuring a socket drive. They are well suited to securing collars, gears, and pulleys to shafts.

  • Material and finish: 316 Stainless Steel
  • Drive: Socket
  • Thread size: M3
  • Length: 4mm
  • Applications: Securing collars, gears, and pulleys to shafts

Specifications

  • Product type: Socket Set Screws
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Socket
  • Thread size: M3
  • Length: 4mm
  • Measurement type: Metric
  • Features: Cup Point
  • Pack quantity: 50 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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Delivery costs

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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 (4.6 / 5 · 5 reviews)

Ruby D. ★★★★★

I needed these for a marine repair job and the 316 stainless is definitely holding up better than the old hardware against the salt spray. The socket drive made them much easier to install in a tight spot compared to standard hex screws.

Leo ★★★★★

Finally, matching stainless screws for boat hardware that won't pit or rust. The hex socket drive seats perfectly with my M3 bit, making them much easier to torque down than a slotted head. A solid package for the price, especially since 316 is what you need for saltwater.

Emma Y. ★★★★★

Exactly the right fit for my 8mm shaft collars, and the cup point bites down firmly without stripping. The 316 stainless finish feels properly marine-grade, no rust worries after a month in a damp workshop.