With the Milwaukee hss-r metal drill bit set, you handle repetitive drilling tasks in steel, cast iron, and alloyed metals with speed and confidence. The black oxide coating ensures smooth chip removal and minimizes friction during demanding drilling operations. a 118-degree point angle allows for clean, accurate centering without slipping, while manufacturing to din 338 standards provides dependable durability. Featuring a 6 mm diameter, a 57 mm working cutting length, and a straight cylindrical shank, these drill bits fit standard drill chucks seamlessly. With this practical 10-piece pack, you always have a reliable replacement ready on-site or in the workshop.