Mutual Screw & Supply

1/2" X 4" Hex Head Lag Screws | 18/8 Stainless Steel (150 / Pkg.)

1/2" X 4" Hex Head Lag Screws | 18/8 Stainless Steel (150 / Pkg.) - Main image
$112.28 $181.09 In stock

These 1/2" x 4" lag screws are manufactured from 18/8 Stainless Steel for corrosion resistance. They deliver strong holding power for heavy-duty wood-to-wood and structural timber connections.

  • Material and finish: 18/8 Stainless Steel
  • Size: 1/2" x 4"
  • Applications: Heavy-duty wood and structural timber connections

Specifications

  • Product type: Lag Screws
  • Head style: Hex
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Diameter: 1/2"
  • Length: 4"
  • Thread size: 1/2
  • Measurement type: Imperial
  • Pack quantity: 150 per package
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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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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)

Daniel M. ★★★★★

The threads started cleanly with a socket wrench, and the flat hex head grabbed tight without slipping. I replaced rusted carriage bolts on a dock with these and they haven't budged after three weeks of rain. Solid holding power for heavy timber framing.

Emma ★★★★★

Used these to fasten some heavy pergola beams to the posts, and they drove in cleanly without any stripping. The stainless steel heads look great and give me real confidence they won't rust out in the weather.

Scarlett O. ★★★★★

Bought a box of 150 for a deck repair and the 18/8 stainless steel gives me real peace of mind against rust in wet weather. They drove in cleanly and hold the beams rock-solid, even with my impact driver. Exactly the heavy-duty grip I was hoping for.