Indexable drills ISO code – inserts W C M X 08 04 12 R – PG A 1 2 3 4 5 6 7 8 9 Insert shape Clearance angle Tolerance class Turning m W C 80° 7° I.C S Code I.C [mm] m [mm] S [mm] P G ±0,025 ±0,025 ±0,130 S 11° B 1 2 M ±0,05–0,13 ±0,08–0,18 3 ±0,130 Fastening features (metric) Cutting edge length l [mm] Milling Insert shape Insert shape ≤ 65° I.C T [mm] l l S W 3,8 03 4,3 04 X Special 5,4 05 C 6,35 06 6,5 06 8,0 08 8,7 08 Drilling 9,252 09 12,7 12 4 5 Insert thickness S [mm] Nose radius r [mm] Rotation direction Code Description D S r R Right L Left Code S Code S Code r 00 0,79 05 5,56 04 0,4 Information Technical T0 0,99 T5 5,95 08 0,8 01 1,59 06 6,35 12 1,2 T1 1,98 T6 6,75 02 2,38 07 7,94 T2 2,58 09 9,52 03 3,18 T9 9,72 T3 3,97 11 11,11 E 04 T4 4,76 4,96 12 12,70 6 7 8 Index Chip breaker overview (on page C3) 9 C 18