Hillman 5/16 in. x 6 in. Zinc-Plated Steel Carriage Bolts, Coarse Thread, 50-Pack
Regular price $0.545/16 in. x 6 in. Zinc Carriage Bolts (50-Pack)
Durable Hillman carriage bolts made from steel with a zinc-plated finish to resist corrosion. The round head and square neck provide smooth, secure fastening in wood or metal applications with coarse threads for strong hold.
Key Features:
- Corrosion Resistant: Zinc-plated steel resists rust for indoor and outdoor projects
- Secure Hold: Round head with square neck locks into wood to prevent spinning during tightening
- Coarse Thread: SAE coarse threads for quick installation and strong grip
- Project Sized Pack: 50-count box ideal for jobsites and bulk repairs
- Sized for Versatility: 5/16 in. diameter x 6 in. length fits common building applications
Specifications Table:
| Specification | Details |
|---|---|
| Material | Steel |
| Finish | Zinc-Plated |
| Diameter | 5/16 in. |
| Length | 6 in. |
| Thread Type | Coarse (UNC) |
| Head Style | Round |
| Neck Style | Square neck (carriage bolt) |
| Grade | Grade 2 |
| Unit of Measurement | SAE |
| Packaging Type | Boxed |
| Number in Package | 50 pk |
| Product Type | Carriage Bolt |
| Model Number | 5166CBZ |
Frequently Asked Questions (FAQ):
Q: What nuts and washers fit these bolts?
A: Use 5/16 in. SAE coarse-thread (UNC) nuts and compatible flat or lock washers.
Q: Are these suitable for outdoor use?
A: Yes, the zinc plating offers basic corrosion resistance; for harsh or marine environments, consider hot-dipped galvanized or stainless steel.
Q: What is the thread type?
A: Coarse thread (UNC).
Q: How many bolts are in the package?
A: 50 bolts per box.
Q: What grade are the bolts?
A: Grade 2 steel.
Quiet Strength, Clean Finish
A polished, rounded head adds a subtle, refined note to rustic beams and modern millwork alike. The square neck tucks neatly into wood, creating a flush, streamlined look that feels intentional and elevated. Use them to anchor bench legs or gate frames—hardware that becomes part of the design story. Practical, poised, and essential for a beautifully built space.
Choose this 50-pack of zinc-plated Hillman carriage bolts for reliable, corrosion‑resistant fastening on your next project.
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