Mild Steel Carriage Bolt is made from mild steel, a low-carbon steel that is durable and easy to work with. The carriage bolt features a round head with a square neck beneath it, which prevents the bolt from turning when tightened. The square neck also makes it easier to install the bolt in hard-to-reach areas. Mild Steel Carriage Bolt is also utilized to fasten metal components in automotive and industrial settings. The mild steel construction of the carriage bolt provides strength and durability at an affordable price point, making it a popular choice for many applications.