Mutual Screw & Supply

5/8" X 3-1/2" Hex Head Lag Screws | 316 Stainless Steel (75 / Pkg.)

5/8" X 3-1/2" Hex Head Lag Screws | 316 Stainless Steel (75 / Pkg.) - Main image
$199.61 $332.68 In stock

These 5/8" x 3-1/2" lag screws are manufactured from 316 Stainless Steel for corrosion resistance. They deliver strong holding power for heavy-duty wood-to-wood and structural timber connections.

  • Material and finish: 316 Stainless Steel
  • Size: 5/8" x 3-1/2"
  • Applications: Heavy-duty wood and structural timber connections

Specifications

  • Product type: Lag Screws
  • Head style: Hex
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Diameter: 5/8"
  • Length: 3-1/2"
  • Thread size: 5/8
  • Measurement type: Imperial
  • Pack quantity: 75 per package
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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)

Julian T. ★★★★★

I used these to secure a retaining wall in a coastal area where salt air eats standard hardware, and the 316 stainless shows zero rust after four months of weather. The hex head drove easily with a socket wrench and gave me the bite I needed into pressure-treated 6x6 timbers.

David T. ★★★★★

The 316 stainless steel is the reason I went with these, and they haven't shown a speck of rust after a wet month outside. Drove them into some dense oak beams without stripping the head, which is more than I can say for cheaper lag screws I've used.

Harper ★★★★★

I was a bit worried about these being too long for my project, but the 3-1/2" length grabbed into the timber perfectly. The 316 stainless steel gives me real confidence they won't rust on the deck.