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SKU: LBHDG-516X4

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

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

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Lag Bolts

Bolts

SKU: LBHDG-516X4

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

$0.69
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Ships Jun 29 when you order now

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Specifications

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

The 5/16" x 4" Conquest Lag Bolt offers extended reach and strong weather protection for outdoor wood builds. Hot dip galvanized for superior corrosion resistance, it’s designed to anchor into thick lumber and structural joints. Coarse 9 TPI threads ensure secure and quick fastening even in tough materials.

5/16" x 4" Conquest Hex Head Lag Bolt – Deep Galvanized Fastener for Exterior Wood Projects

Whether you’re joining stacked timbers or building long-span deck frames, this lag bolt delivers strength and confidence where it matters. Its durable coating and reliable grip make it a mainstay for exterior framing and hardware installs.

Key Features

  • 4" Length: Suitable for deep fastening through thick lumber.
  • Hot Dip Galvanized: Corrosion protection in outdoor settings.
  • Hex Head: Quick and secure installation with impact tools.
  • 9 TPI Threads: Firm grip and pull-out resistance in wood.

Common Applications

  • Deck and patio support
  • Fence post joining
  • Outdoor framework
  • Large wood planters or boxes
  • Storage shed framing

Installation Tips

  • Pre-drill full depth to ease installation and avoid splits.
  • Drive slowly and align the bolt carefully for flush seating.
  • Inspect for full thread engagement before moving to next fastener.

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