9 P709 Rotary Burr - Oval, Shape E ST single cut flute style with chipbreakers and medium spaced edge for round edge contouring. Carbide head with toughened and hardened steel shank. First choice for steels. Bright 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 Brazed on Steel Shank with DCON MS tolerance h7. Product DC DCON MS LU OAL [mm] [mm] [mm] [mm] P70912.7X6.0 12.70 6.00 22.00 67.0 255