5/16" Square Head Lag Screws

Enhance your next project with the timeless craftsmanship of our 5/16" Square Head Lag Screws. Each screw is hand-forged from high-quality iron by skilled blacksmiths. This makes these lag screws as durable as they are visually striking. The square head design exudes a classic, vintage aesthetic, perfect for adding a rustic touch to furniture, architectural restorations, or decor installations.

These lag screws go beyond function—they’re pieces of art with utility built in. Whether you're assembling custom furniture, hanging a wooden sign with character, or enhancing an industrial-style project, their exceptional strength and rugged charm ensure they'll stand out. Designed to meet your practical and aesthetic needs, they provide unmatched stability while delivering that hand-forged, authentic look no modern machine can replicate.

Choose the 5/16" Square Head Lag Screws for your projects and elevate your craftsmanship with a nod to tradition. When quality, style, and durability matter, these lag screws are the ideal choice.

  • Head Shape: Square
  • 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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3/4" Dia. Pyramid Square Head Bolt - Old West Iron
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5/16" Dia. Pyramid Square Head Lag
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From $2.00 USD

5/16" Dia. Smooth Square Head Lag
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5/16" Dia. Smooth Square Head Lag
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From $0.88 USD

5/16" Dia. Hammered Square Head Lag - Old West Iron
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5/16" Dia. Hammered Square Head Lag
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From $1.50 USD

1/2" Dia. Distressed Square Head Lag - Old West Iron
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5/16" Dia. Distressed Square Head Lag
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From $1.50 USD

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