DC DCON MS 9 P821C Rotary Burr - Ball Nosed Cone, Shape L, TiAlN Coating DC double cut flute style with close spaced edges for enlarging holes, rounding edges and surface finishing in tight narrow angles or other hard to reach areas. Carbide design for cutting diameter up to 6 mm; above 6 mm carbide head with toughened and hardened steel shank. TiALN coating for increased tool life. PRFA LU OAL TiAlN Workpiece material group suitability. Recommended operating speed (RPM) on page 229. P1.1 P1.2 P1.3 P2.1 P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 P4.3 M1.1 M1.2 M2.1 M2.2 M2.3 M3.1 M3.2 M3.3 M4.1 M4.2 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 K3.1 K3.2 K3.3 K4.1 K4.2 K4.3 K4.4 K4.5 K5.1 K5.2 K5.3 N3.1 N3.2 N3.3 S1.1 S1.2 S1.3 S2.1 S2.2 S3.1 S3.2 S4.1 S4.2 H1.1 H2.1 H2.2 H3.1 H3.2 H4.1 H4.2 DC≤6.00 mm: DCON MS tolerance h6; DC>6.00 mm: Brazed on steel shank with DCON MS tolerance h7. Product DC DCON MS LU OAL PRFA [mm] [mm] [mm] [mm] [°] P821C3.0X3.0 3.00 3.00 14.00 38.0 8 P821C12.7X6.0 12.70 6.00 32.00 77.0 14 248