Conquest 5/16″ x 4-1/2″ A307 Carriage Bolt – Hot Dip Galvanized

Conquest A307 Carriage Bolts with a hot dip galvanized finish are designed for strength, durability, and corrosion resistance in outdoor and treated lumber applications. With a smooth, rounded head and square neck to prevent spinning during installation, these bolts are ideal for applications where both performance and appearance matter. Available in a range of lengths and diameters, they meet ASTM A307 specifications for general-purpose use, These coach bolts pair with compatible hot dip galvanized hex nuts and hot dip galvanized washers.

Whether you’re building a deck, fencing in a pasture, or assembling structural wood frames, these galvanized carriage bolts offer long-lasting performance in demanding environments.

Key Features:

• ASTM A307 Compliant: Manufactured for low-carbon steel applications, ensuring reliable tensile strength.
• Hot Dip Galvanized Finish: Provides superior corrosion resistance, perfect for outdoor and treated lumber.
• Square Neck Design: Keeps the bolt from spinning when tightening the nut.
• Rounded Head Profile: Offers a smooth, finished look while improving safety.
• Wide Range of Sizes Available: Select the appropriate length and diameter for your specific job.

Applications:

• Deck construction
• Outdoor fencing
• Pergolas and timber framing
• Marine and coastal projects
• Any structural wood-to-wood or wood-to-metal connections requiring corrosion resistance

Installation:

1. Drill a pilot hole through the materials being joined.
2. Insert the bolt so the square neck sits flush in the wood to prevent spinning.
3. Use a washer and nut on the opposite side to tighten securely.
4. Torque to spec based on material and application needs.