The UltimateCut step drill bit revolutionizes the work process and sets new standards in processing time with a time savings of up to 75%. This is achieved by the RUKO step drill bit through its revolutionary cutting geometry, which combines various applications and tools. This means fewer required tools, no tool changes, and absolute flexibility. Additional technical specifications: Point angle: 130°, step angle: 90°, flute: spiral-fluted, diameter: 6 / 9 / 12 / 15 / 18 / 21 / 24 / 27 mm, number of cutting edges: 4, cutting material: HSS.