Meet the Hillman 5/8-11 in. x 8 in. Hot Dipped Galvanized Steel Carriage Bolt — a rugged, outdoor-ready fastener designed to secure timber-to-timber connections with lasting strength. Sold in a boxed 25‑bolt pack, it’s a practical choice for deck projects, fencing, gate assemblies, and other exterior woodwork where durability matters as much as alignment.
Key features
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Thread size and type: 5/8-11 coarse thread for quick, secure bite into wood.
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Length: 8 inches, providing ample embedment for solid connections.
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Finish: Hot dipped galvanized coating delivers robust corrosion resistance in damp or outdoor environments.
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Material and grade: Steel, Grade 2 — dependable strength for everyday structural woodworking.
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Packaging: 25 bolts per box for easy stocking and project planning.
Why this bolt shines for outdoor projects
Carriage bolts are built for wood-to-wood connections where you want a clean, finished look on the visible side. The slightly domed head and square under‑head design prevent the bolt from turning as you tighten the nut on the opposite side, ensuring a tight, flush fit without slipping. The hot dipped galvanization protects against rust and staining, extending the life of decks, fences, pergolas, and outdoor furniture in rain, humidity, and coastal conditions.
Ideal uses
- Decking and railing assemblies where weather exposure is a given.
- Fence posts, gate frames, and other exterior timber connections requiring reliable fasteners.
- Outdoor furniture builds and repairs that demand long-lasting corrosion resistance.
Practical guidance for use
Pair these carriage bolts with appropriately sized nuts and washers to create a secure, load-distributing connection. For best results, align holes precisely and consider pre‑drilling to minimize wood splitting. This 25‑pack is perfect for completing multiple outdoor projects or stocking a professional hardware chest for ongoing outdoor builds.
