3/8 in. x 7 in. Galvanized Carriage Bolts (50-Pack)

Heavy-duty Hillman carriage bolts built from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood-to-wood or wood-to-metal with a smooth, low-profile dome head and square shoulder that locks into lumber.

Key Features:

• Corrosion Protection: Hot-dipped galvanized finish resists rust in outdoor and coastal applications
• Secure Hold: Square shoulder bites into wood to prevent spinning during tightening
• Clean, Low-Profile Look: Domed head provides a semi-flush finish without a washer
• Durable Construction: Grade 2 steel with coarse threads for reliable assembly
• Contractor Value: Bulk 50-pack boxed for efficient jobsite stocking

Specifications Table:

Frequently Asked Questions (FAQ):

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

Q: Do I need a washer under the head?
A: Typically no—the domed head and square shoulder are designed to eliminate the need for a flat washer on the head side.

Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish offers strong rust prevention for exterior projects.

Q: What thread type do these bolts use?
A: SAE coarse thread.

Q: How many bolts are in the package?
A: 50 pieces per retail package.

A Clean, Industrial Accent with Enduring Strength

I love the quiet confidence of a domed carriage head—streamlined, effortless, and a touch architectural. The hot-dipped galvanization lends a soft, chalky silver that feels chic against weathered timber or painted millwork. Use them as a handsome detail on outdoor gates or bench frames, letting the round heads punctuate the surface like jewelry. They’re the subtle hardware essential that elevates everyday builds to elevated living.

Anchor your next project with these corrosion-resistant carriage bolts and build with confidence that lasts.