Zinc-Plated Steel Carriage Bolt, 1/4" x 2-1/2", 100-Pack

Durable Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a clean, low-profile finish. Zinc-plated steel resists rust and the square neck locks into place to prevent spinning during installation.

Key Features:

• Rust-Resistant Finish: Zinc plating helps protect against corrosion for long-lasting performance
• Self-Locking Square Neck: Prevents bolt rotation for easier one-tool installation
• Clean, Low-Profile Head: Flat, round head eliminates the need for a washer and sits semi-flush
• Strong Steel Construction: Grade 2 steel suitable for general-purpose fastening
• Bulk Convenience: 100-pack for efficient stocking on larger projects

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed to fasten a wooden face to wood or metal frames.

Q: Do I need a washer with these bolts?
A: Typically no—the flat head is designed to provide a semi-flush finish without a washer.

Q: Are these suitable for outdoor use?
A: The zinc plating offers rust resistance, but may not be ideal for all exterior environments; consider hot-dip galvanized for harsher conditions.

Q: What thread type do these bolts use?
A: Coarse thread (SAE).

Q: What size are the bolts?
A: 1/4 inch diameter by 2-1/2 inch length.

A Sleek, Industrial Anchor for Wood-to-Metal Harmony

The streamlined dome head and crisp zinc sheen bring a refined industrial touch to utility builds. I love the self-locking square neck—it tucks elegantly behind the surface, allowing the face material to remain visually uninterrupted. Use these in exposed joinery for workbenches or shelving where form meets function. A polished essential that elevates everyday construction to luxe craftsmanship.

Secure your projects with reliable, rust-resistant performance—add this 100-pack of Hillman carriage bolts to your cart today.