Hillman 1/2-in-13 Zinc-Plated Round-Head Standard SAE Carriage Bolts 25 Pk 240321 48575155 Carriage Bolts 1/2 12 Inch Carriage Bolts 1/2 Carriage Bolts Ensure threads are clean and properly aligned to prevent stripping. Ten (10) 1/2-13 x 1 Long Carriage Bolts Set w/ Nuts & Washers u2013 BCP... Common Applications: Structural steel connections 1/2-13 x 12 Galvanized Carriage Bolt. Head Style: Carriage. Type: Carriage Bolt. Finish: Hot Dip Galvanized. Thread Type: 13 (Coarse Threaded Shank Options: Choose from a variety of lengths and diameters to match your project’s needs. Finish: Hot Dip Galvanized, Head Style: Carriage Plain Finish: Ideal for indoor or low-exposure environments where coating isn’t required. 1/2-13 x 12 Galvanized Carriage BoltHead Style: CarriageThread Type: 13 (Coarse)Thread Length: PartialHardness: Grade 2 or 307Type: Carriage BoltSquare-Depth:9/32, Diameter 1: 1/2 inch , Diameter 2: 1-3/32 inch , Length: 12 inches , Material: Steel Manufactured from premium-grade alloy steel and designed with a built-in indented flange, each bolt distributes load more evenly while minimizing surface damage. 1/2"-13 x 12" Carriage Bolt A307 A, Zinc Clear - 6" Thread Length (Box of 50) Available for purchase online.