5/16 in. x 2 in. Galvanized Carriage Bolts (100-Pack)

Heavy-duty Hillman carriage bolts made of steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or metal where a smooth, low-profile dome head is desired.

Key Features:

• Corrosion Protection: Hot-dipped galvanized coating stands up to outdoor and marine environments
• Secure Hold: Square neck under head locks into wood to prevent spinning during tightening
• Clean Finish: Dome head provides a semi-flush, washerless appearance
• Durable Construction: Grade 2 steel with coarse threads for reliable strength
• Bulk Value: 100 bolts per retail package for large projects or jobsite stock

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Are nuts and washers included?
A: No—this listing is for bolts only; pair with compatible 5/16 in. hot-dipped galvanized hardware.

Q: What thread type do these bolts have?
A: They use coarse (UNC) threads.

Q: Can these be used outdoors?
A: Yes. The hot-dipped galvanized finish offers strong rust resistance suitable for exterior use.

Q: What materials can I fasten with these?
A: Designed for fastening wood to wood or wood to metal where the square neck can bite into wood.

Q: Do I need a tool to hold the head while tightening?
A: No. The square underside locks into the wood to prevent turning; tighten from the nut side.

Rugged Hardware with a Clean, Classic Dome

I love the quiet confidence of a domed carriage head—sleek, purposeful, and timeless. The hot-dipped galvanization reads as a soft, matte silver that complements weathered woods and raw steel. Use these to anchor benches or garden gates; the rounded tops become subtle jewelry on rustic surfaces. Practical yet polished, they’re the finishing touch for elevated, outdoor craftwork.

Build with confidence—add this 100-pack of galvanized carriage bolts to your cart and tackle your next outdoor project right.