General turning ISO-Code – boring bars S 16 R – S D U C R 07 A 1 2 3 4 5 6 7 8 9 Shank type Shank diameter d [mm] Turning Code Description d A Steel shank (IC) C Solid carbide shank E Solid carbide shank (IC) Code d S Steel shank 16 16 X Special application 20 20 B 25 32 25 32 40 40 50 50 Milling 1 2 Clamping system Clamping system Insert shape Code Description L C 80° D 55° Code L P Knee lever clamping C H K 100 125 R S M 150 S Screw clamping N 160 T V 35° 75° Q 180 Drilling R 200 S 250 W 80° T 300 U 350 V 400 3 4 5 D Tool holder type and entering angle Clearance angle 90° 90° Information 45° 60° 75° B C Technical 90° 90° 5° 7° A B C D E F G 75° 95° 117°30 93° 50° 63° D E 107°30 15° 20° 95° H J K L M N O E 62°30 107°30 75° 45° 60° 90° 72°30 N 0° P 11° P Q R S T U V 60° 120° Index W X 6 7 A 282