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SKU: LBHDG-516X412

5/16" x 4-1/2" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

5/16" x 4-1/2" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized!

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Lag Bolts

Bolts

SKU: LBHDG-516X412

5/16" x 4-1/2" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

$0.77
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Specifications

Diameter: 5/16"
Length: 4-1/2"
Thread Length: 2-3/4"
Thread Type: Coarse
Threads Per Inch: 9
Socket Size: 1/2"
Head Type: Hex Head
Material: Carbon Steel
Finish: Hot Dip Galvanized
Measuring System: Standard SAE
Manufacturer Name: Conquest Fasteners
Quantity: 1
Description

5/16" x 4-1/2" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

The 5/16" x 4-1/2" Conquest Lag Bolt is designed for long-span outdoor fastening in thick wood structures. It features hot dip galvanized protection and coarse 9 TPI threads for reliable installation in decks, fences, or exterior support frames. Built to withstand environmental exposure and heavy use.

5/16" x 4-1/2" Conquest Hex Head Lag Bolt – Galvanized Long Bolt for Structural Fastening

Use this bolt when anchoring into wide beams, laminated posts, or when combining multiple wood layers. It’s a dependable solution for projects that face moisture, sun, or chemical treatment.

Key Features

  • 4-1/2" Length: Long reach for joining thick or stacked lumber.
  • Hot Dip Galvanized: Withstands harsh outdoor exposure.
  • Hex Head: Drives with standard power tools.
  • 9 TPI Threads: Promotes fast threading and secure fit.

Common Applications

  • Deck or fence rail posts
  • Timber-framed shed construction
  • Retaining wall support framing
  • Outdoor pavilion framing
  • Boardwalk and dock builds

Installation Tips

  • Drill to full length of the bolt to prevent resistance or splits.
  • Drive straight and flush to ensure even structural support.
  • Use impact tools for smoother torque delivery in dense wood.

California Residents: WARNING

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Lag Bolts

Bolts

× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.

Customer Reviews

Based on 24 reviews
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(24)
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N
Nick Supe
Great Lags

I like using these to attach deck ledger boards

A
ACRA CAST MAINTENANCE
Great Purchase will buy again!

Our Production had literally come to a complete halt, because we were out of these and (surprise) our vendor was too!!!
We were extremely fortunate to have found you and the wealthy inventory you have!! We are excited to now have your company as our new and only provider of these fasteners!

J
Jose Olvera
Great service

Very fast and great service and prices