9 P621 Rotary Burr - Ball Nosed Cone, Shape L VA single cut flute style with medium spaced edges for enlarging holes, rounding edges and surface finishing in tight narrow angles or other hard to reach areas. Carbide head with toughened and hardened steel shank. First choice for stainless steels. Bright Workpiece material group suitability. Recommended operating speed (RPM) on page 229. M1.1 M1.2 M2.1 M2.2 M2.3 M3.1 M3.2 M3.3 M4.1 M4.2 K4.1 K4.2 Brazed on Steel Shank with DCON MS tolerance h7. Products from this series are also available in set. Please see P880. Product DC DCON MS LU OAL PRFA [mm] [mm] [mm] [mm] [°] P6218.0X6.0 8.00 6.00 25.40 70.0 14 P62110.0X6.0 10.00 6.00 20.00 65.0 14 P62112.7X6.0 12.70 6.00 32.00 77.0 14 267