DC DCON MS 9 P819 Rotary Burr - 90° Countersink, Shape K DC double cut flute style with close spaced edges for chamfering, making v-cuts and welding preparation. Carbide design for cutting diameter up to 6 mm; above 6 mm carbide head with toughened and hardened steel shank. LU OAL Bright 90° 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 [mm] [mm] [mm] [mm] P8193.0X3.0 3.00 3.00 1.50 38.0 P8196.0X6.0 6.00 6.00 3.00 50.0 P8199.6X6.0 9.60 6.00 4.70 53.0 P81912.7X6.0 12.70 6.00 6.30 55.0 P81916.0X6.0 16.00 6.00 8.00 57.0 246