Hillman 5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts, 100-Pack
Regular price $22.995/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts (100-Pack)
Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal projects with a smooth, low-profile, round head. Zinc-plated Grade 2 steel offers dependable strength and corrosion resistance for indoor and light outdoor use.
Key Features:
- Durable Construction: Grade 2 zinc-plated steel resists rust and delivers reliable holding power
- Smooth, Low-Profile Head: Round head provides a clean, semi-flush finish without a washer
- Anti-Spin Square Neck: Locks into wood to prevent turning during tightening
- Coarse Thread SAE: Ensures strong grip and quick assembly in common building materials
- Value Pack: 100 bolts per box for jobs, repairs, and shop inventory
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Hillman |
| Type | Carriage Bolt |
| Diameter | 5/16 inch |
| Length | 1 inch |
| Material | Steel |
| Finish | Zinc Plated |
| Grade | 2 |
| Thread Type | Coarse (SAE) |
| Head Style | Round head with square neck |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
Frequently Asked Questions (FAQ):
Q: What size are these carriage bolts?
A: They are 5/16 inch diameter by 1 inch length with coarse SAE threads.
Q: Are nuts and washers included?
A: No, this pack includes bolts only; purchase compatible 5/16 in. nuts and washers separately if needed.
Q: Can these be used outdoors?
A: The zinc plating offers basic corrosion resistance suitable for indoor and light outdoor use; for harsh or coastal environments, consider hot-dipped galvanized or stainless steel.
Q: Do I need a tool to hold the head while tightening?
A: No; the square neck bites into the wood to prevent spinning while you tighten the nut from the threaded end.
Q: How many bolts are in the package?
A: 100 bolts per retail package.
A Clean, Flush Finish for Crafted Woodwork
The rounded head of this carriage bolt lends a polished, intentional detail to built-ins, benches, and garden structures. I love the seamless effect—no fussy washers, just a smooth dome anchoring the design. Pair it with oiled oak or painted pine for a modern, utilitarian edge that feels bespoke. It’s a small hardware choice that elevates everyday projects into refined, lasting pieces.
Secure your next build with dependable, clean-finished fasteners—add this 100-pack of Hillman carriage bolts to your cart now.
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