This product adopts high-quality cold heading steel for one-time cold heading forming, and the thread adopts three rounds of rolling. Compared with traditional turning, it has thread strength, high precision, and low roughness. The surface is treated with a zinc nickel alloy coating and then subjected to a special treatment to reduce the friction coefficient, which has the characteristics of high corrosion resistance and low friction coefficient. Commonly used threads such as M10X1.0 and M12X1.0 are installed in automotive brake pipelines. In order to meet the customer’s requirement for zero defects in product quality, our company strictly controls the process and uses optical screening instruments for full-size inspection to meet the customer’s requirement for zero defects in product quality. This product has been used in multiple domestic sedans.