Drilling tools SELECTION TABLE MASTERDRILL 1300 HRC AL INOX DIN-6537 DIN-6537 DIN-6537 DIN-6537 DIN-6537 DIN-6537 DIN-6537 DIN-6537 DIN-65373xD5xD8xD3xD5xDDIN-6537DIN-65393xD5xD5xD5xDDIN-338DIN-338Norm m7 m7 m7 m7 m7 m7 h7 m7 m7 m7 m7 h8 h8 Tolerance 141 - 143 144 - 146 147 - 149 141 - 143 144 - 146 160 - 161 159 150 - 152 153 - 155 156 - 158 156 - 158 162 - 164 162 - 164 Page number λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ35º÷40° λ15° λ15° λ36° λ36° Geometry δ140° δ140° δ140° δ140° δ140° δ140° δ118° δ140° δ140° δ130° δ130° δ130° δ130° External IK IK IK IK IK IK IK coolant VHM VHM VHM VHM VHM VHM VHM VHM VHM VHM VHM HSSE HSSE Material Coating AT AT AT AT AT AT TS TS TB TN2 Range of 3÷20 3÷20 3÷20 3÷20 3÷20 2,35÷14 0,75÷2,9 3÷20 3÷20 3÷20 3÷20 1÷16 1÷16 diameter Vc (m/min) 110 c 100 c 50 c 70 c 60 c 70 a 55 a 35 c 40 c P1 110 c 100 c 50 c 70 c 60 c 70 a 55 a 28 b 32 b P2 100 c 90 c 50 c 70 c 60 c 70 a 55 a 28 b 32 b P3 110 c 100 c 40 b 50 b 45 b 50 a 40 a 18 b 21 b P4 100 c 90 c 40 b 50 b 45 b 50 a 40 a 18 b 21 b P5 95 c 85 c 40 b 50 b 45 b 50 a 40 a 18 b 21 b P6 85 c 75 c 30 b 40 b 35 b 40 a 30 a P7 P 65 c 55 c 30 b 40 b 35 b 40 a 30 a P8 65 c 55 c 25 b 30 b 30 b 30 a 25 a P9 60 c 50 c 40 b 50 b 45 b 50 a 40 a 18 b 21 b P10 55 c 45 c 30 b 40 b 35 b 40 a 30 a P11 55 c 45 c 25 b 30 b 30 b 30 a 25 a P12 60 c 50 c 40 b 50 b 45 b 50 a 40 a 13 b 15 b P13 60 c 50 c 40 b 50 b 45 b 50 a 40 a 13 b 15 b P14 40 b 340 b 35 b 25 b 25 a 253a0 a 25 a 60 b 50 b 25 b 30 b 30 b 30 a 25 a 10 b 12 b M1 60 b 50 b M2 M 60 b 50 b 25 b 30 b 30 b 30 a 25 a M3 120 d 110 d 80 d 100 d 90 d 100 b 80 b 35 d 40 d K1 95 d 85 d K2 120 d 110 d 60 d 80 d 70 d 80 b 60 b K3 100 d 90 d 60 d 80 d 70 d 80 b 60 b K4 K 85 d 75 d 50 d 65 d 60 d 65 b 50 b K5 85 d 75 d 50 d 65 d 60 d 65 b 50 b K6 250 e 220 e 160 e 200 e 180 e 200 b 160 b 250 e 250 e 37 d 43 d N1 250 e 220 e 160 e 200 e 180 e 200 b 160 b 250 e 250 e 37 d 43 d N2 250 e 220 e 160 e 200 e 180 e 200 b 160 b 250 e 250 e 27 c 31 c N3 250 e 220 e 160 e 200 e 180 e 200 b 160 b 250 e 250 e 27 c 31 c N4 200 e 180 e 130 e 160 e 150 e 160 a 125 a 200 e 200 e 32 d 37 d N5 N 200 e 180 e 150 d 150 d N6 120 c 110 d 80 c 100 c 90 c 100 b 80 b 200 c 200 c 38 c 44 c N7 150 c 135 c 100 c 120 c 110 c 120 b 100 b 200 c 200 c 41 b 47 b N8 150 c 135 c 100 c 120 c 110 c 120 b 100 b 200 c 200 c 41 b 47 b N9 150 c 135 c 200 c 200 c N10 25 a 22 a 15 a 20 a 18 a 20 a 16 a 9b 10 b S1 25 a 22 a 15 a 20 a 18 a 20 a 16 a 9b 10 b S2 25 a 22 a S3 25 a 22 a S4 25 a 22 a S5 S 60 b 50 b 30 b 40 b 35 b 40 a 30 a 24 b 28 b S6 60 b 50 b 25 b 30 b 30 b 30 a 25 a 12 a 14 a S7 60 b 50 b 25 b 30 b 30 b 30 a 25 a 12 a 14 a S8 40 b 40 b H1 35 b 35 b H2 30 b 30 b H3 H 35 b 35 b H4 The table contains recommended cutting speeds Vc in m/min and the symbols of feed groups on next page 7