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3/8" Dia. Smooth Square Head Lag

11 reviews

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: 9/16"
    • Socket Size: 9/16" 8-Point
    • Head Height: 1/4"
    • Shank Diameter: 3/8"
    • Thread Pitch: 7
    • Pilot Hole: soft wood 11/64"
    • Pilot Hole: hard wood 1/4"
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Customer Reviews
4.9 Based on 11 Reviews
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PF
09/22/2021
Paul F.
United States United States
Square head lags for custom structural hardware

I selected square head lags for some custom structural connectors for my new residence in California. I did not want the industrial appearance of hex heads, so these were perfect. Paul Franks Architect and builder

Old West Iron 3/8 Dia. Smooth Square Head Lag Review
D
07/20/2021
Don
United States United States
Hard to find items

Square head lag bolts are difficult to find anywhere. These are well-made replicas of the old mission hardware bolts and pair well with the 1/4" washers. They look strong as well. Hope that they are.

07/26/2021
Old West Iron

We are always pleased when someone is able to fine replicas for old hardware, so happy we could help you with that!

JD
06/15/2021
Joseph D.
United States United States
Excellent bolts!

Bolts came quickly and look great in our application in a barnwood beam fireplace mantle!

Old West Iron 3/8 Dia. Smooth Square Head Lag Review
06/15/2021
Old West Iron

Thank you for the review and photo, we are happy to hear you are satisfied with both the product and service. They look great, just the right touch!

JF
04/26/2021
Jeff F.
United States United States
found what I needed!

These are perfect. No one else has this particular part and your service was good. I wanted to chat with someone live and that never really worked out but the link to the part was good enough and I got them quickly.

05/13/2021
Old West Iron

Thank you for your feedback! We'll do better!

RR
04/16/2021
Ron R.
United States United States
Old West Iron Rocks!

I make industrial style accent furniture and finding a place that carried a wide selection of "old iron" work hardware was hard to find. The I found Old West Iron and have orders several types of the lag screws and absolute LOVE them. I think they give my work the look that I'm going for. Ordering is easy, service is prompt, no complaints here. I plan on using Old West Iron as my supplier going forward.

05/13/2021
Old West Iron

Wow! What an amazing piece! Thank you for letting us be a part of it! We look forward to working with you in the future!