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Durable zinc-plated steel carriage bolts for secure fastening in wood and metal projects. The rounded head and square neck prevent turning for a clean, finished look. Pack of 50 for bulk jobs and reliable performance.
| Specification | Details |
|---|---|
| Diameter | 5/16 in. |
| Length | 3-1/2 in. |
| Material | Steel |
| Finish | Zinc-plated |
| Head Type | Domed (carriage) head |
| Neck Type | Square neck |
| Pack Quantity | 50 |
| Product Dimensions (package) | 8.6 x 4.3 x 3.5 in |
| Package Weight | 8.2 lb |
| Brand | Hillman |
Q: What material are these bolts made from?
A: Zinc-plated steel for strength and corrosion resistance.
Q: Do these bolts include nuts or washers?
A: Nuts and washers are typically sold separately; verify your project needs.
Q: Where are carriage bolts best used?
A: Commonly in wood connections such as decking, fencing, and furniture where a smooth, rounded head is preferred.
Q: How does the square neck help during installation?
A: It locks into the material to prevent the bolt from turning while you tighten the nut.
Q: Are these suitable for outdoor applications?
A: Yes, the zinc plating offers rust resistance suitable for many outdoor uses; for highly corrosive environments, consider stainless or hot-dip galvanized options.
These zinc-plated carriage bolts bring a refined industrial detail to any project, marrying function with a clean, domed silhouette. The gleam of the finish adds subtle sophistication while the square neck ensures a seamless, secure set. Style them with natural woods and matte black hardware for a modern, grounded look. Essential hardware that elevates craftsmanship to a luxurious standard.
Secure your projects with Hillman’s reliable, corrosion-resistant carriage bolts—add this 50-pack to your toolkit today.
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
US$40
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