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Heavy-duty Hillman carriage bolts made of steel with a hot-dipped galvanized finish for superior corrosion resistance in outdoor and marine environments. 3/8-inch diameter by 5-inch length with coarse threads, ideal for securing wood-to-wood or wood-to-metal connections.
| Specification | Details |
|---|---|
| Diameter | 3/8 inch |
| Length | 5 inch |
| Material | Steel |
| Finish | Hot Dipped Galvanized |
| Grade | 2 |
| Thread Type | Coarse (UNC) |
| Unit of Measurement | SAE |
| Head Style | Round/Carriage |
| Number in Package | 50 pack |
| Packaging Type | Boxed |
Q: Are nuts and washers included?
A: No; this package includes only carriage bolts. Pair with compatible 3/8 in. hot-dipped galvanized nuts and washers (sold separately).
Q: Can these be used outdoors or near coastal areas?
A: Yes. The hot-dipped galvanized finish offers robust corrosion resistance suitable for outdoor and damp environments.
Q: What thread type do these bolts have?
A: They use coarse (UNC) threads.
Q: What materials are these best for?
A: Commonly used for wood-to-wood or wood-to-metal connections where a smooth, rounded head is desired.
Q: What grade are the bolts?
A: Grade 2 steel.
These galvanized carriage bolts bring a refined utility to outdoor structures, lending a subtle, polished note with their rounded heads. I love how the hot-dipped sheen pairs with cedar or painted timber, creating a coastal-calm vibe that feels effortless. Try aligning the domed heads in a rhythmic grid across a gate or pergola for a considered, bespoke detail. Practical yet poised, they’re the discreet hardware essential that elevates everyday architecture.
Upgrade your outdoor builds with corrosion-resistant, bulk-value carriage bolts—add this 50-pack to your cart today.
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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