Carriage bolts originated in ancient times and were mainly used to fix parts of transportation vehicles such as personnel carriers, chariots, and carriages. Its name originates from its initial application in carriage manufacturing. Due to its semi-circular head and square neck underneath, it can prevent bolt rotation during locking and effectively cope with vibration and impact during carriage operation.
Before the Industrial Revolution, manual production limited the large-scale manufacturing of carriage bolts. With the development of industry, carriage bolts are gradually achieving industrial production, and material quality and accuracy are constantly improving. Modern carriage bolts have been widely used in various fields such as construction, vehicle manufacturing, and electronic manufacturing. At the same time, in order to meet the needs of different scenarios, various types of high-strength carriage bolts have emerged, constantly upgrading materials and processes, such as using high-strength alloy steel and advanced heat treatment technology, to improve product performance and durability.
