Up to 3.7 mm dia with 2 internal cooling channels.
Standard: DIN 6537 Tolerance nominal dia : m6 Number of cutting edges Z: 2 Tolerance nominal dia : m6 recommended maximum drilling depth L2: 56. High roundness and alignment accuracy of the deep hole- thanks to 4 guide chamfers.3 mm Overall length L: 124 mm Shank dia Ds: 14 mm Feed f in stainless steel > 900N/mm2: 0.2 mm/rev.