Up to 3.7 mm dia with 2 internal cooling channels.
Solid Carbide Drill, 9 mm Dia, 135 Deg Point Angle, TiAlN Coated, Plain Shank, Through-Coolant 121068- 121130 is necessary.15 mm/rev.5 mm Overall length L: 162 mm Shank dia Ds: 10 mm Feed f in stainless steel > 900N/mm2: 0. For process reliability when using the 12xD drill- an initial center drilling with NC spotting drills No.