Material: Mild Steel, High tensile Steel Finishing: Mild Steel comes in Plain and Zinc Plated finishing High Tensile Steel comes in Black Oxide and Zinc Plated finishing Carbon steel stud bolts are a type of threaded fastener that are made from high-quality carbon steel materials. These bolts are designed to securely fasten two surfaces together, typically in high-stress applications where maximum strength and durability are required. They are commonly used in a variety of industries, including construction, mechanical engineering, and automotive manufacturing.