Carriage Bolts 3/8"x10" HDG with Washers/Nuts

25 pcs 3/8" x 10" carriage bolts and 25 pcs USS flat washers and nuts Made from premium carbon steel. Grade 307A bolts. Hot Dip Galvanized improve these carriage bolts strength, durability and corrosion resistance for outdoor use Square neck provides the carriage bolt from rotating as it's tightened. Smooth and domed head makes it difficult to remove Designed to have superior load-bearing capacity, ideal for connecting heavy timber and lumber, wood to metal (the square neck should be in the wood side) Need 3/8-inch drill bit to pre-drill holes and 9/16-inch wrench for the nut. Widely use in wood construction, such as decks, pergolas, fences, playground equipment and furniture assembly.