Up to dia 1.9 with 4 facets- from dia 2 with relieved cone.
The robust cutter geometry ensures high-performance drilling with good process reliability. Pro Steel Solid Carbide Drill, 15 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: 42.5 x DC.Note: Flute length LC = L2 + 1.