Indexable Drills Application Data • Top Cut 4™ „Top Cut 4 • Stainless Steel • 2 x D/3 x D • Speed Chart • Metric Recommended Cutting Speed by Diameter (m/min) Insert Size A Insert Size B Insert Size C Insert Size D Top Cut 4 TCF040203AC TCF060203BC TCF070304CC TCF090305DC TCF040204AP TCF050204BP TCF070306CP TCF080308DP 12,00–13,99mm 14,00–18,99mm 19,00–23,99mm 24,00–29,99mm Material Pocket Group Condition Seat Geometry Grade min Start max min Start max min Start max min Start max P V36 WU40PH S 120 140 160 140 160 230 150 170 240 150 170 240 C V36 WU40PH P V36 WU40PH 1 U 110 120 140 130 150 210 130 160 210 130 160 210 C V36 WU40PH P V36 WU40PH I 90 100 120 130 150 200 130 160 200 130 160 200 C V36 WU40PH P V36 WU40PH S 120 140 160 140 160 200 150 170 210 150 170 210 C V36 WU40PH P V36 WU40PH M 2 U 110 120 140 130 150 180 130 160 200 130 160 200 C V36 WU40PH P V36 WU40PH I 90 100 120 120 140 170 130 150 180 130 150 180 C V36 WU40PH P V36 WU40PH S 110 120 140 130 150 180 140 160 200 140 160 200 C V36 WU40PH P V36 WU40PH 3 U 90 110 120 120 130 160 130 140 180 130 140 180 C V36 WU40PH P V36 WU40PH I 80 100 110 100 120 150 110 130 160 110 130 160 C V36 WU40PH NOTE: For 4 x D, it is highly recommended to start with feed and speed values reduced by 10% less than above recommendations. For 5 x D, diameter range 12–23,99mm (insert sizes A to C), it is highly recommended to start with feed and speed values reduced by 20% less than above recommendations. For 5 x D, diameter range 24–68mm (insert sizes D to H), it is highly recommended to start with feed and speed values reduced by 15% less than above recommendations. For 4 x D and 5 x D, it is recommended to reduce the feed rate during entry and exit by 30–50%. Condition: S = stable conditions, U = unstable cutting conditions, I = interrupted cutting conditions Pocket Seat: P = periphery insert, C = centre insert widia.com V29 Indexable Drills