Hillman 5/16 in. x 2-1/2 in. Zinc-Plated Steel Carriage Bolt, 100-Pack
Regular price $33.995/16 in. x 2-1/2 in. Zinc Carriage Bolts (100-Pack)
These Hillman carriage bolts fasten a wood face to wood or metal while providing a smooth, low-profile domed head. Zinc-plated steel offers moderate corrosion resistance, ideal for indoor or sheltered outdoor projects.
Key Features:
- Multi-Material Use: Fastens wood to wood or metal for versatile builds and repairs
- Low-Profile Head: Smooth, domed head delivers a semi-flush, snag-free finish
- Washer-Free Locking: Square shoulder grips material to prevent bolt spin during tightening
- Corrosion Resistance: Zinc-plated steel provides moderate protection against rust
- Project-Ready Pack: 100 pieces sized 5/16 in. diameter x 2-1/2 in. length
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 5/16 in. |
| Length | 2-1/2 in. |
| Thread | 5/16-18 (coarse) |
| Material | Steel |
| Finish | Zinc-plated |
| Head Type | Domed carriage head |
| Shoulder | Square shoulder locks into material |
| Package Quantity | 100 pieces per retail package |
| Intended Use | Fasten a wood face to wood or metal |
| Pre-Drilling | Recommended; hole size to match bolt diameter |
Frequently Asked Questions (FAQ):
Q: Do I need to pre-drill?
A: Yes. Drill a hole matching the 5/16 in. bolt diameter for best results.
Q: Are nuts and washers included?
A: This listing is for carriage bolts only; nuts/washers are typically sold separately.
Q: Can these be used outdoors?
A: Zinc plating offers moderate corrosion resistance and is suitable for indoor or sheltered outdoor use; for harsh outdoor environments, consider hot-dipped galvanized or stainless steel.
Q: What tools are needed for installation?
A: Insert the bolt through the pre-drilled hole; hold the domed head in place as the square shoulder bites, then tighten a matching nut with a wrench from the opposite side.
Q: What is the thread size?
A: These are 5/16 in. diameter bolts; the box image indicates 5/16-18 coarse threads.
Streamlined Hardware with a Purposeful, Polished Finish
A row of these domed carriage heads reads as clean, quiet jewelry for utilitarian woodwork. The softly rounded profile sits nearly flush, taming visual noise while adding a subtle glint of zinc. Use them to unify benches, garden carts, or utility shelving for a cohesive, crafted look. Simple, sturdy, and impeccably neat—an easy essential for elevated everyday builds.
Equip your next project with these durable zinc carriage bolts for a clean, secure, and professional finish—add the 100-pack to your cart now.
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