Best Carriage Bolts for Decks (2026)
We evaluated galvanized material, relevant diameters/lengths for decking, included hardware (nuts/washers), user ratings, and kit quantities to rank fit and value
Top Picks
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1
3/8 x 2 in galvanized carriage bolt kit (50 pcs) by Makers Bolt
Galvanized carriage bolts kit includes bolts, washers, and nuts for exterior projects. Semi-flush flat head aids decking and pergola work; corrosion-resistant coating enhances durability. Customers note good quality and value for money, with mixed feedback on washers
- complete hardware kit
- corrosion-resistant coating
- flat head for semi-flush finish
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2
Galvanized carriage bolt kit 1/4" x 1" (100 pk) with washers and nuts
Galvanized 1/4" carriage bolt kit includes 100 bolts, 100 USS washers, and 100 hex nuts. Hot dip galvanized for exterior use; provides semi-flush flat head for decks and outdoor projects. Customer note: high quality and good value
- galvanized exterior-grade
- includes bolts, washers, nuts
- flat head delivers semi-flush finish
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3
1/4 in x 2-1/2 in galvanized carriage bolt kit (100 pcs) with nuts & washers
Galvanized carriage bolt kit includes 100 bolts, 100 washers, and 100 hex nuts. Provides corrosion resistance for exterior use; flat head for semi-flush finish. One customer note highlights quality and value for money
- complete hardware kit
- hot-dip galvanized coating
- meets industry standards