5/8″ x 20″ Conquest Hex Head Lag Bolt for Wood – Hot Dip Galvanized
The 5/8″ x 20″ Conquest Lag Bolt is one of the longest outdoor-grade bolts available, built to secure massive timber assemblies under the harshest outdoor conditions. The coarse threading bites deep, while the hot dip galvanized finish protects for the long haul.
5/8″ x 20″ Conquest Hex Head Lag Bolt – Ultra-Deep Galvanized Bolt for Timber Structures
This bolt is the go-to choice when deep, high-load fastening is needed for structural beams, retaining walls, or timber frameworks exposed to the elements.
Key Features
- 20″ Length: Maximum depth for full timber engagement.
- Hot Dip Galvanized: Superior corrosion defense for all-weather builds.
- Hex Head: Standard size for easy installation with power tools.
- 5 TPI Threads: Ensures lasting grip and anti-loosening security.
Common Applications
- Structural framing in large outdoor buildings
- Deep beam-to-post anchoring
- Heavy timber retaining systems
- Bridge and platform reinforcement
- Oversized fencing and framing assemblies
Installation Tips
- Use a full-depth pilot hole for clean threading and easier drive.
- Use a high-powered driver to ensure steady, aligned installation.
- Flush seating ensures long-term stability and joint strength.
California Residents: WARNING








