Galvanized Steel Carriage Bolts, 3/8 in. x 6 in., 50-Pack

Heavy-duty Hillman carriage bolts built from steel with a hot-dipped galvanized finish for superior corrosion resistance. Sized 3/8 in. diameter by 6 in. length, these bolts are ideal for securing wood-to-wood or wood-to-metal connections in outdoor and high-moisture environments.

Key Features:

• Rust-Resistant Finish: Hot-dipped galvanization for long-lasting protection in outdoor and marine settings
• Secure Hold: Square neck beneath the round head locks into wood to prevent spinning during installation
• Flush Appearance: Low-profile round head eliminates the need for a washer and provides a clean, semi-flush look
• Durable Construction: Steel, Grade 2 with coarse threads for reliable fastening performance
• Bulk Value: Convenient 50-piece boxed pack for projects and jobsite efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts be used with?
A: They are designed to fasten a wooden face to either a wood or metal frame; the square neck locks into wood to prevent spinning.

Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for exterior and high-humidity applications.

Q: Do I need a washer under the head?
A: Typically no. The round, flat head is designed to provide a semi-flush finish without a washer.

Q: What thread type do these bolts have?
A: Coarse SAE threads.

Q: How many bolts are included?
A: 50 bolts per boxed retail package.

A Clean, Industrial Touch for Outdoor Builds

The subtle, rounded head of these carriage bolts offers a streamlined, polished accent against natural wood grain. Their hot-dipped galvanized finish brings a cool, industrial note while promising durability in the elements. Use them to anchor pergolas, garden benches, or deck railings where hardware becomes part of the aesthetic. They’re the quiet heroes of a refined, long-lasting outdoor space.

Choose Hillman’s galvanized carriage bolts for dependable, rust-resistant fastening on your next outdoor build.