Mutual Screw & Supply

5/16-18 X 3/4" Machine Screws | Flat Head Phillips Drive | 316 Stainless Steel (200 / Pkg.)

5/16-18 X 3/4" Machine Screws | Flat Head Phillips Drive | 316 Stainless Steel - Main image
$40.14 $53.52 In stock

316 stainless steel machine screw with superior corrosion resistance, including salt-water and marine environments. Non-magnetic.

Specs

  • Dimensions: 5/16-18 3/4"
  • Drive type: Phillips
  • Head style: Flat Head
  • Material: 316 Stainless Steel
  • Thread: 5/16-18 UNC (coarse)

Features

  • Machine-thread screws for use with nuts or tapped holes
  • Flat head profile
  • Phillips drive
  • 316 Stainless Steel construction
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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 (5.0 / 5 · 5 reviews)

Andrew ★★★★★

Installed these on a dock repair project and the 316 stainless held up perfectly against the saltwater spray during installation. The flat head sits flush and the Phillips drive bites nicely without camming out.

Timothy ★★★★★

The non-magnetic property is a huge plus for my electronics bench, and the flat heads sit perfectly flush in counterbored holes. Three hundred and sixteen stainless means I'm not worried about these rusting out in my shop's humid air.

Ellie S. ★★★★★

Took these to the boat for a small repair and the 316 grade held up perfectly after a week of salt spray, zero rust spots. The flat head sits flush in the countersink like it should, and the Phillips drive didn't strip once.