Due to their high precision, high efficiency and wide applicability, hardware lathe parts have been widely used in many fields. Specifically, in the field of electronics and electrical appliances, hardware lathe parts are used to manufacture micro connectors, shaft parts and springs (such as brush springs and switch springs) for products like mobile phones, cameras and computers, ensuring the stability of signal transmission and structural compactness. Its tolerance can be controlled within ±0.01 millimeters, meeting the strict precision requirements of electronic components.