SKU: LBHDG-516X512

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

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

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Lag Bolts

Bolts

SKU: LBHDG-516X512

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

$0.92
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Specifications

Diameter: 5/16"
Length: 5-1/2"
Thread Length: 3-1/4"
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 5-1/2" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

The 5/16" x 5-1/2" Conquest Lag Bolt provides extended reach and solid anchoring for demanding outdoor wood builds. Its hot dip galvanized finish offers strong protection against corrosion, while the 9 TPI coarse threads ensure fast, reliable bite into wood. Ideal for projects involving thicker lumber or multi-layer connections.

5/16" x 5-1/2" Conquest Hex Head Lag Bolt – Galvanized Mid-Long Bolt for Exterior Woodwork

This bolt is a great choice for deck posts, fence framing, or outdoor timber structures where strength, durability, and depth are essential. It’s engineered to deliver secure fastening in treated or natural lumber under any conditions.

Key Features

  • 5-1/2" Length: Longer reach for deeper anchoring in structural lumber.
  • Hot Dip Galvanized: Withstands rust and exposure in outdoor applications.
  • Hex Head: Easy to drive with standard tools.
  • 9 TPI Coarse Threads: Strong hold in both softwood and hardwood.

Common Applications

  • Deck post-to-frame anchoring
  • Fence frame construction
  • Outdoor bench and pergola builds
  • Thick timber connections
  • Raised garden bed framing

Installation Tips

  • Pre-drill pilot holes to reduce thread resistance and splitting.
  • Drive steadily for smooth thread engagement.
  • Ensure bolt is flush for proper clamping and strength.

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 23 reviews
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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

R
Robert Akins
Hard to find parts

Was able to order a small number of lag screws not available locally.