The Proline 79030 is a high-speed steel (HSS) drill bit with a 3mm diameter and is designed for drilling metals. It conforms to the DIN 338 standard. The HSS construction makes the 79030 extremely durable and suitable for drilling through a variety of materials. The 79030 is suitable for drilling precision holes in delicate materials and can create cleaner, more precise holes than other drill bits. It can be used for boring, countersinking, and reaming as well as drilling. It is suitable for use in a variety of applications in the automotive, electrical, and construction industries.