General turning ISO code – general turning inserts ISO standard A T N M G 22 04 08 (N) – DM 1 2 3 4 5 6 7 8 9 Turning Insert shape Clearance angle Tolerance class m A 85° B 82° C 80° A B m 3° 5° I.C I.C I.C m S B D 55° E 75° H C D Code A I.C [mm] ±0,025 m [mm] ±0,005 S [mm] ±0,025 7° 15° C ±0,025 ±0,013 ±0,025 K 55° L M 86° E ±0,025 ±0,025 ±0,025 E F F ±0,013 ±0,005 ±0,025 Milling 20° 25° G ±0,025 ±0,025 ±0,130 O P R H ±0,013 ±0,013 ±0,025 J ±0,05–0,15 ±0,005 ±0,025 G N S T T 75° 30° 0° K ±0,05–0,15 ±0,013 ±0,025 L ±0,05–0,15 ±0,025 ±0,025 M ±0,05–0,15 ±0,08–0,20 ±0,130 C V 35° W 80° Z Special P 11° O Special N U ±0,05–0,15 ±0,08–0,25 ±0,08–0,20 ±0,13–0,38 ±0,025 ±0,130 1 2 3 Drilling Fastening features (metric) Cutting edge length l [mm] Insert shape Insert shape > 65° I.C [mm] A B l l d l l l l l C D R S T V W K > 65° 3,97 06 C F 5,0 05 D > 65° 5,56 09 6,0 06 G H 6,35 06 07 11 11 8,0 08 Information Technical > 65° J M 9,525 09 11 09 09 16 16 06 16 10,0 10 ≤ 65° 12,0 12 N Q 12,7 12 15 12 12 22 22 08 15,875 16 15 15 27 ≤ 65° R T 16,0 19 16 19,05 19 19 19 33 E U ≤ 65° W ≤ 65° 20,0 25,0 25 25 20 25 25,4 25 25 31,75 31 X Special 32 32 Index 4 5 A 42