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Compact Bulk 5/16"-18 Carriage Bolts A307 Grade A Coarse Hdg Bundle [aH4NOnrt]

$46.99 $150.99 -69%

Bulk Carriage Bolts: Strong, Corrosion-Resistant Fasteners Elevate your projects with our Bulk 5/16"-18 Carriage Bolts, designed for durability and reliability. Crafted from A307 Grade A steel and coated with Hot Dipped Galvanized (HDG), these bolts

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Bulk Carriage Bolts: Strong, Corrosion-Resistant Fasteners

Elevate your projects with our Bulk 5/16"-18 Carriage Bolts, designed for durability and reliability. Crafted from A307 Grade A steel and coated with Hot Dipped Galvanized (HDG), these bolts offer exceptional corrosion resistance, making them ideal for challenging environments. Their self-locking square neck design ensures a secure connection, while the smooth, domed head provides a flush finish. Whether you're working on construction, woodworking, or outdoor projects, these carriage bolts are the perfect choice for your needs.

Key Features and Specifications

Our carriage bolts feature a diameter of 5/16" and a coarse thread pitch of 18 TPI. They are available in various lengths, with certain undersized options to accommodate the zinc coating added during the galvanizing process. This ensures a proper fit after galvanizing and simplifies nut installation. The bolts are made of A307 Grade A steel and coated with HDG for enhanced corrosion resistance. They conform to standard carriage bolt dimensions and are suitable for a wide range of applications, including wood-to-wood, wood-to-metal, and light metal-to-metal connections.

Applications and Benefits

Our carriage bolts are versatile and perfect for numerous applications. They are ideal for woodworking, construction, fencing, decking, furniture assembly, and outdoor installations. The corrosion resistance of these bolts makes them suitable for environments exposed to moisture and corrosive agents. Whether you're a contractor, DIY enthusiast, or professional, these carriage bolts offer the strength and durability you need. With bulk and wholesale pricing, they are an economical choice for large-scale projects. Choose our carriage bolts for secure, long-lasting connections that you can trust.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

The product offers a very high degree of welcome customization.

- Tau_Custom_Taylor.

December 30, 2025

Absolutely no complaints!

It's a very well-made product, great quality and very dependable.

- Elara C..

December 30, 2025

Absolutely no complaints!

It's a very well-made and reliable piece of gear.

- Blakely D..

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