General turning ISO code – general turning inserts ISO standard T 1 N M G 22 04 08 (N) – DM 2 3 4 5 6 7 8 9 Insert shape Clearance angle Tolerance class A i g n n r u T B g n i l l i M C g n i l l i r D D l a c i n h c e T n o i t a m r o f n I E x e d n I A 48 A 85° B 82° 75° D 55° K 55° O S E L P T W 80° Z Special 1 80° C H M 86° R V 35° A C E G P 3° 7° 20° 30° 11° B D F N 5° 15° 25° 0° O Special Fastening features (metric) Insert shape > 65° > 65° ≤ 65° ≤ 65° ≤ 65° B F H M Q T W A C G J N R U > 65° > 65° ≤ 65° X Special 4 m m I.C I.C I.C m S Code I.C [mm] m [mm] S [mm] A C E F G H J K L M N U ±0,025 ±0,025 ±0,025 ±0,013 ±0,025 ±0,013 ±0,05–0,15 ±0,05–0,15 ±0,05–0,15 ±0,005 ±0,013 ±0,025 ±0,005 ±0,025 ±0,013 ±0,005 ±0,013 ±0,025 ±0,05–0,15 ±0,08–0,20 ±0,05–0,15 ±0,08–0,20 ±0,08–0,25 ±0,13–0,38 3 ±0,025 ±0,025 ±0,025 ±0,025 ±0,130 ±0,025 ±0,025 ±0,025 ±0,025 ±0,130 ±0,025 ±0,130 Cutting edge length l [mm] Insert shape l V l W l K 11 16 06 16 22 08 l T 06 09 11 16 22 27 33 d R 05 06 08 09 10 12 12 15 16 19 20 25 25 31 32 l S 09 12 15 19 25 5 2 I.C [mm] 3,97 5,0 5,56 6,0 6,35 8,0 06 9,525 09 10,0 12,0 12,7 15,875 16,0 12 16 19,05 19 l C l D 07 11 15 19 25 25 20,0 25,0 25,4 31,75 32