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SKU: LBHDG-34X20

3/4" x 20" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

3/4" x 20" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized!

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Lag Bolts

Bolts

SKU: LBHDG-34X20

3/4" x 20" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

$21.99
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Specifications

Diameter: 3/4"
Length: 20"
Thread Length: 6"
Thread Type: Coarse
Threads Per Inch: 4-1/2
Socket Size: 1-1/8"
Head Type: Hex Head
Material: Carbon Steel
Finish: Hot Dip Galvanized
Measuring System: Standard SAE
Manufacturer Name: Conquest Fasteners
Quantity: 1
Description

3/4" x 20" Conquest Hex Head Lag Bolt for Wood - Hot Dip Galvanized

The 3/4" x 20" Conquest Lag Bolt is made for the most extreme fastening needs in outdoor construction. With its 20-inch length and coarse thread design, this lag bolt anchors deeply into large timbers and structural beams. The hot dip galvanized coating ensures resistance to rust and environmental degradation.

3/4" x 20" Conquest Hex Head Lag Bolt – Maximum-Length Galvanized Lag for Industrial Builds

Used in outdoor framing, piers, or multi-layer timber systems, this bolt delivers exceptional stability, even under heavy load. It's built for critical installs where failure is not an option.

Key Features

  • 20" Length: Maximum depth for structural anchoring.
  • Hot Dip Galvanized: Designed to withstand moisture and harsh weather.
  • Hex Head: Drives cleanly with torque tools.
  • 4-1/2 TPI Coarse Threads: Offers dependable retention in thick wood.

Common Applications

  • Bridge or pier structures
  • Massive timber frames
  • Deep-set beam installations
  • Large landscape or park builds
  • Outdoor retaining and support systems

Installation Tips

  • Drill a full-depth pilot hole before installation.
  • Use a high-torque driver for consistent seating.
  • Flush installation ensures stable load transfer.

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 26 reviews
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(26)
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C
Cari Dodson
Received on time!

Ordered these late, and under pressure, but received on time! Note that you need a 3/4 socket and it's not typical in most sets.

M
Michelle

This item worked well for its intended purpose of mounting and securing a wood mantle.

N
Nick Supe
Great Lags

I like using these to attach deck ledger boards