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5/16" Dia. Pyramid Square Head Lag

HCL-07-P-5-16x1

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: Pyramid
    • 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"
Lead Time: Usually Ships in 1-3 Business days
  • $1.45
Shipping calculated at checkout.
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Customer Reviews
4.8 Based on 17 Reviews
5 ★
88% 
15
4 ★
6% 
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6% 
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Filter Reviews:
01/25/2025
JT
Joe T.
United States United States

5/16" Dia. Pyramid Square Head Lag

Got these to hang an 8 bottle wine rack I made. They look great and will work to anchor the wine rack into the stud. Shipping was fast and the products are good quality.

01/27/2025

Old West Iron

Thank you for your feedback, I'm so glad you're satisfied with the order!

10/02/2023
EC
Edward C.
Canada Canada

Better than expected

I think your products are great. They allow me to get the right 'carriage builder' look with my antique car projects

10/05/2023

Old West Iron

Thanks for your feedback, We'd love to see how the cars turned out!

09/09/2023
DM
David M.
United States United States

Pyramid 3/8 lag bolts

Quality construction, handmade, adds distinctive touch to project.

09/14/2023

Old West Iron

Thank you for your review, we're so glad that you're satisfied with the product.

05/06/2023
MB
Mary B.
United States United States

Beautiful & great customer service!

This is a gorgeous bracket and screws. The quality is top shelf and the service even better! There was confusion with our bracket (where the holes should go) and Old West were so helpful and easy to work with! Offered to make the right version and even paid shipping to take the other one back. Would give them 6 stars if I could!

05/09/2023

Old West Iron

Thank you for working with us and being patience, we appreciate it.

12/10/2022
MW
Mark W.
United States United States

Great Products

Great Products. I have been using your products for some time now and have never been disappointed. Great products.

12/12/2022

Old West Iron

Thank you

07/31/2022
JZ
John Z.
United States United States

Great heavy duty lag bolt

Works great with custom made washers.

Old West Iron 5/16  Dia. Pyramid Square Head Lag Review
06/05/2022
MP
Michael P.
United States United States

Old world lags

very nice. What I received reflected what was in the images.

06/05/2022

Old West Iron

Thank you; we're happy for this review.

03/21/2022
TB
Todd B.
United States United States

Amazing Products

If you are looking for a beautiful and authentic rustic look for your hardware then you have found the right place. These lag screws are fantastic. I couldn't be happier. They were the perfect finishing touch for our vanity mirror. (now... about my photography skills...that's another story...) 3/8" Dia. Pyramid Square Head Lag - 1 1/4"

Old West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag Review
03/21/2022

Old West Iron

Thank you so much and we're happy to hear this!

02/25/2022
BC
Bruce C.
United States United States

From a Retired Machinist

Just the look we were looking for. Quality was spot on.

03/14/2022

Old West Iron

Thank you for this positive feeback! looking forward to have you again!

12/11/2021
HS
Henry S.
United States United States

Great products for that “rustic look”

Good quality and great customer service.

12/17/2021

Old West Iron

Thank you! Happy Holidays!

11/30/2021
KS
Kristine S.
United States United States

AMAZING

I USED THESE LAG BOLTS ON MY CEDAR RAILING POSTS - IT LOOKS AMAZING AND IS FUNCTIONAL!

11/30/2021

Old West Iron

Happy to hear it! I'm sure the project turned out great!

11/21/2021
SM
Scott M.
United States United States

Incorrect Information

The lag screws I purchased are great. But, in the product description it says the head size is 9/16", and the actual head size is 1/2". It's an issue because I wanted the head size to be 9/16" to match the bolts I had purchased from you before.

11/24/2021

Old West Iron

I do sincerely apologize for this! I did get this corrected so it doesn't happen in the future. Please let us know if there is anything we can do to reconcile this.

11/14/2021
JR
John R.
United States United States

The right Lags to fit a 1600 century Door

It would have much easier to just go buy a normal Lag Bolt that was made in China / but I wanted a MADE IN THE USA bolt to match the 4 inch thick door I had built for my Office/ Man Cave / the look turned out perfect / I'm sending 2 pics of the Door / (1) pic of the whole door / and a close up of the old looking bolt / a perfect fit / you guys are the best / Thanks / from Rock

Old West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag Review
11/15/2021

Old West Iron

It looks amazing Rock! Thank you for sharing. We hope to work with you on future projects!

02/07/2021
RM
Reginald M.
United States United States

You NAILED it

Great craftsmanship and easy to work with even on a small order. Old West is OLD school business.

05/11/2021

Old West Iron

Thank you so much! Glad we could be of help!

01/30/2021
MP
Micah P.
United States United States

very nice

The lag screws we ordered were just the look we were going for. The one complaint I have was that all the heads on the lags were not the same size. we had a few that were too big for the wrench we were using so we had to improvise. Overall we were very satisfied

Old West Iron 5/16  Dia. Pyramid Square Head Lag Review
05/11/2021

Old West Iron

This looks absolutely amazing! I apologize they were not the same. Our fabricators hand hammer these items so they sometimes don't match up entirely but I am glad it worked out! Thank you for sharing.

01/30/2021
MS
Mel S.
United States United States

Retro Look

I really like the look and variety of heads. They put a real nice finishing touch on my projects. Going for cross of Craftsman and Farmhouse look. However the challenge is the bottom the heads can dig into the wood, and I have learned that the bolts are not all straight which I remedied with a vise. But thank goodness they exist.

Old West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag ReviewOld West Iron 5/16  Dia. Pyramid Square Head Lag Review
05/11/2021

Old West Iron

So glad these worked for you! Sorry about the inconvenience but they look absolutely amazing!