TurningMillingDrillingTechnicalInformationIndex General turning ISO code – external tool holders – Swiss turning A S C L N L 25 25 M 12 – S C 1 2 3 4 5 6 7 8 9 10 11 Clamping system Insert shape Code Description C 80° S Knee lever clamping D 55° B R S T V 35° W 80° C 1 2 Tool holder type and entering angle Clearance angle 90° 90° 75° 45° 60° B C 5° 7° A B C D E 90° 75° 93°90°107°30 D E15° 20° D F G H J K 95° 117°30 50° 63° 62°30 N P 95° 0° 11° L M N O P 107°30 90° 75° 45° 60° Q R S T U 60° 120° 72°30 E V W X 3 4 A 270