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3/4" Dia. Smooth Square Head Lag

3/4" Dia. Smooth Square Head Lag

Rustic 3/4" Lag x 1 1/8" Square Head. Old-Fashion rustic square head lag bolts (screws) add a traditional old world look to all your projects. Our head textures and patina finish options give the look of a true old lag bolt that has been recycled, perfect to pair with reclaimed lumber.

    • Head Shape: Square
    • Head Texture: Smooth
    • Head Size: 1-1/8"
    • Socket Size: 1-1/8" 8 Point Socket
    • Head Height: 1/2"
    • Shank Diameter: 3/4"
    • Thread Pitch: 4 1/2"
    • Pilot Hole: soft wood 3/8"
    • Pilot Hole: hard wood 9/16"
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Customer Reviews
5.0 Based on 48 Reviews
5 ★
96% 
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4 ★
4% 
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03/10/2025
TL
Tug L.
United States

Better than the originals

I have built numerous historical (replicas) wood project for many years using traditional wood working tools and was always on the lookout for affordable square headed bolts and lags. Old West has them at affordable prices and almost limitless size selections. They are exactly the same as the originals manufactured up to WW ll. As an additional plus, staff was exceptionally helpful during my phone order and it was a pleasure to speak with a human who knew the product line. Many Thanks from a new lifetime customer. Tug NW Montana

02/28/2025
RS
Rod S.
United States

Lag bolts

Just what I wanted!

12/20/2024
AB
Andre B.
United States

Excellent quality

These lag screws were finished beautifully.

01/02/2025

Old West Iron

Thank you for your feedback! I'm thrilled to hear that you’re pleased with the finish on the lag screws.

10/19/2024
HM
Harold M.
United States

As Advertised - Great Products

Purchased some 5/8” square headed bolts. They took a long time to get to me, which leads me to believe they’re either making them to order, or purchasing from other. Regardless, the quality was good and I didn’t need them right away anyway. Would purchase again.

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