Step drill for metal 4.0-20.0mm Kranz KR-12-6601

KRANZ step drill is used during assembly and installation work for drilling holes of various diameters without changing the cutting tool. It is used with materials such as plastic, wood, metal, etc. Thanks to its unique design, the product replaces an entire set of traditional twist drills. Using this tool saves the technician time, as it does not require pre-center drilling. The E6.3 hexagonal shank ensures reliable fixation of the drill in all types of screwdriver and drill chucks. The groove shape is straight. Each of the 9 steps of the drill is marked with the actual diameter. Step range: 4, 6, 8, 10, 12, 14, 16, 18, 20 (2 mm pitch). The drill is made of high-speed tool steel (HSS) and possesses high strength, as well as resistance to dynamic loads and overheating.