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Durable zinc-plated steel carriage bolts for secure fastening in wood and metal projects. The 1/4-inch diameter, 5-inch length bolts feature a round head and square neck for anti-spin installation, with coarse threads for reliable grip.
| Specification | Details |
|---|---|
| Material | Steel |
| Finish | Zinc-Plated |
| Diameter | 1/4 in. |
| Length | 5 in. |
| Thread Type | Coarse |
| Head Style | Round |
| Neck Style | Square (carriage bolt) |
| Grade | Grade 2 |
| Unit of Measurement | SAE |
| Number in Package | 100 pk |
| Packaging Type | Boxed |
| Model | 57159 |
| Product Type | Carriage Bolt |
| Brand Name | Hillman |
| Weight | 7.3 lbs |
Q: What tools do I need to install these carriage bolts?
A: Use a drill to create a pilot hole and a wrench or socket to tighten the nut; the square neck locks into the material to prevent spinning.
Q: Are these suitable for outdoor use?
A: Yes, the zinc-plated finish offers corrosion resistance for many outdoor applications; for harsh environments, consider hot-dip galvanized.
Q: What thread type do these bolts have?
A: They feature coarse threads for faster assembly and strong holding power.
Q: Do nuts and washers come included?
A: No, this pack includes bolts only; purchase compatible 1/4-inch nuts and washers separately.
Q: What grade are these bolts?
A: These are Grade 2, suitable for general-purpose fastening.
These carriage bolts bring a refined, utilitarian charm to structural details, marrying durability with clean hardware aesthetics. The rounded head and zinc sheen add a subtle, tailored finish that complements both rustic timbers and modern frameworks. Style them with matching zinc washers and nuts for a cohesive, intentional hardware story. A foundational piece for elevated, luxury-grade craftsmanship.
Secure your project with the reliability and clean finish of Hillman zinc-plated carriage bolts—add this 100-pack to your cart today.
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
US$40
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