Power [kW]Power [kW]Power [kW] Indexable Drills Power Requirement „Power Requirement Steel 4140 Drill Diameter D1 (mm) f = 0.12 f = 0.16 f = 0.20 (160 m/min) (160 m/min) (160 m/min) f = 0.25 f = 0.12 f = 0.25 (160 m/min) (200 m/min) (200 m/min) f = 0.16 f = 0.20 (200 m/min) (200 m/min) Stainless Steel 304 Drill Diameter D1 (mm) f = 0.12 f = 0.15 f = 0.18 (160 m/min) (160 m/min) (160 m/min) f = 0.20 f = 0.12 f = 0.15 (160 m/min) (200 m/min) (200 m/min) f = 0.18 f = 0.20 (200 m/min) (200 m/min) Cast Iron GG25 Drill Diameter D1 (mm) f = 0.12 f = 0.16 f = 0.20 (160 m/min) (160 m/min) (160 m/min) f = 0.25 f = 0.12 f = 0.16 (160 m/min) (240 m/min) (240 m/min) f = 0.20 f = 0.25 (240 m/min) (240 m/min) widia.com V37