Hartmetall Bohrer Carbide Drill Dia = 19.23mm Nano-U coating No. of flutes = 02 Flutes length = 120mm (130mm complete run -out) Shank Dia = 20mm with clamping flat and internal coolant supply Total Drill length = 180 mm 20 Nos. You are requested to please send us the literature along with your offer on C&F Basis for submission to the customer.