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5/16" Dia. Smooth Square Head Lag

13 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: 1/2"
    • Socket Size: 1/2" 8 Point Socket
    • Head Height: 3/16"
    • Shank Diameter: 5/16"
    • Thread Pitch: 9
    • Pilot Hole: soft wood 9/64"
    • Pilot Hole: hard wood 7/32"
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Customer Reviews
4.9 Based on 13 Reviews
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Filter Reviews:
LD
10/24/2021
Lynn D.
United States
Standerd

Your square head leg screws work perfect

JW
10/12/2021
Jennifer W.
United States United States
PERFECT!!!

I LOVE THESE! I needed new lag screws for my beams and these are a perfect match!!!! This will be my new place to come for when I need anything for my rustic cabin!!

10/13/2021
Old West Iron

Thank you! So glad we could help!

A Old West Iron Customer
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 5/16  Dia. Smooth Square Head Lag Review
09/27/2021
Old West Iron

Wow! What a collaboration! It looks great! Thank you for sharing!

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 5/16  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!