11 piece HSS-Co 5% KC3 3* flute throwaway milling cutters set containing both short & long series cutters to cover a wide range slot drilling & end milling processes. Features & Benefits • 11 piece cobalt high speed steel metric set containing short and long series cutters for versatile use • Robust KC3 3 flute construction for use with end milling & slot drilling • Set screw located on shank allows for securely holds cutters within adaptors or chucks to give quick & easy cutter changes • Metric Tolerances: Diameter: Over 1.00 ~ up to 3.00. Tolerance: +0.013, -0.033, Diameter: Over 3.00 ~ up to 6.00. Tolerance: +0.020, -0.020 Typical Applications • Suitable for slot drilling and end milling Notes • Set Contents (mm): Short series 1, 2, 3, 4, 5, 6 and Long series 2, 3, 4, 5, 6