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Tirefonds à tête carrée 3/8"

Add a touch of timeless craftsmanship to your projects with our 3/8" Square Head Lag Screws, hand-forged from durable iron by skilled blacksmiths. These authentic, artisan-crafted screws combine strength with rustic charm, bringing character and functionality to every application. Whether you're building custom furniture, hanging vintage-style signs, or working on restoration projects, these lags provide both reliability and aesthetic appeal.

Designed for creators who value quality and detail, each screw showcases the distinct markings of expert blacksmithing—making every piece a unique work of art. Beyond their beautiful design, these lag screws offer superior durability, ensuring your projects are built to last. Perfect for adding that authentic, handmade look to tables, doors, cabinetry, and more, they’re the ideal finishing touch for anyone passionate about fine craftsmanship.

Choose tools that match the pride you take in your work. With our 3/8" Square Head Lag Screws, you’ll turn every build into a masterpiece.

 

  • Head Shape: Square
  • 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"
Customer Reviews
4.9 Based on 1,009 Reviews
5 ★
95% 
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3% 
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3 ★
1% 
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Filter Reviews:
03/20/2025
MG
Mario G.
United States

The screws were perfect for my project. Thanks so much !

My experience was fantastic.

03/19/2025
NC
Nancy C.
United States

Good customer service

Products are well made.

03/19/2025
I
Ian SVG verified by SHOP
United Kingdom

Excellent product and service, thanks

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

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