9 P707 Rotary Burr - Ball, Shape D ST single cut flute style with chipbreakers and medium spaced edge for intricate carving, metal engraving and welding preparation. Carbide design for cutting diameter equal to 6 mm; above 6 mm 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 DC=6.00 mm: DCON MS tolerance h6; DC>6.00 mm: 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 [mm] [mm] [mm] [mm] P7076.0X6.0 6.00 6.00 4.70 50.0 P7078.0X6.0 8.00 6.00 6.00 52.0 P7079.6X6.0 9.60 6.00 8.00 54.0 P70712.7X6.0 12.70 6.00 11.00 56.0 254