High roundness and alignment accuracy of the deep hole- thanks to 4 guide chamfers.08 mm/rev. Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Note: Flute length LC = L2 + 1.
3 mm Dia, 140 Deg Point Angle, TiAlN Coated, Through-Coolant Standard: DIN 6537 K Tolerance nominal dia : h7 Number of cutting edges Z: 2 Tolerance nominal dia : h7 recommended maximum drilling depth L2: 47.