Turning Tools Tools Designation for External Turning 車刀桿型號編碼 M C L N R 2 5 2 5 M 1 2 * 1 2 3 4 5 6 7 8 9 11 12 13 1 TYPE OF LOCJING 2 INSERT SHAPE 3 INSERT SHAPE 4 RAKE 6/7 SHANK HEIGHT 10 SHANK LENGTH 5 HAND OF TOOL 8/9 SHANK WIDTH 5 HAND OF TOOL 8/9 SHANK WIDTH B132