General turning ISO code – external tool holders – Swiss turning S C L N L 25 25 M 12 – S C A 1 2 3 4 5 6 7 8 9 10 11 Clamping system Insert shape Turning Code Description C 80° S Knee lever clamping D 55° B R S Milling T V 35° W 80° C 1 2 Tool holder type and entering angle Clearance angle Drilling 90° 45° 60° 90° 75° B C 5° 7° A B C D E 90° 75° 93° 90° 107°30 D E 15° 20° D 95° F G H J 117°30 62°30 K 50° 63° 95° N P 0° 11° Information L M N O P Technical 107°30 90° 45° 60° 75° Q R S T U 60° 120° 72°30 E V W X 3 4 Index A 270