Mutual Screw & Supply

5/16-18 X 3" Machine Screws | Pan Head Phillips Drive | Steel Zinc Plated (200 / Pkg.)

5/16-18 X 3" Machine Screws | Pan Head Phillips Drive | Steel Zinc Plated (200 - Main image
$13.07 $19.8 In stock

These 5/16-18 x 3" machine screws are manufactured from Steel with a zinc plated finish, featuring a phillips drive and a pan head. They are well suited to fastening metal parts, panels, and enclosures.

  • Material and finish: Steel, Zinc Plated finish
  • Drive: Phillips
  • Head style: Pan
  • Thread size: 5/16-18
  • Length: 3"
  • Applications: Fastening metal parts, panels, and enclosures

Specifications

  • Product type: Machine Screws
  • Material: Steel
  • Finish: Zinc Plated
  • Head style: Pan
  • Drive type: Phillips
  • Thread size: 5/16-18
  • Length: 3"
  • Threads per inch: 18
  • Measurement type: Imperial
  • 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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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)

Grace ★★★★★

Exactly 3 inches long and the zinc plating is smooth and even—these sank cleanly into the steel bracket without any binding. Worked perfectly for mounting a heavy machine panel to its frame.

Lucy P. ★★★★★

I needed serious fasteners for a metal enclosure project and these 3-inch screws were exactly what I was looking for. The zinc coating looks clean and uniform, and they drove in smoothly without any stripping.

Mia ★★★★★

The Phillips drive made installation quick with just my standard screwdriver, and the zinc coating looks clean and corrosion-resistant. I used them to mount a steel bracket to an enclosure frame, and the pan head sat flush without interfering with the panel. Exactly what I needed for a solid metal-t