Milling Insert Designations For Milling Insert 刀片型號編碼 A P M T 16 04 PD ER 08 - MG 1 2 3 4 5 6 7 8 9 1 Insert Shape 2 Relief Angle A B C D E H K L A B C D E M O R S T V W F G N P 3 Tolerance 4 Insert Features 5 Edge Length A C A B C D F Tolerance     Range of tolerance d ± m ± s ± G E H K L A 0.025 0.005 0.025 H C 0.025 0.013 0.025 J M O R S E 0.025 0.025 0.025 M F 0.013 0.005 0.025 N G 0.025 0.025 0.05~0.13 T V W H 0.013 0.013 0.025 Q J 0.05~0.15 0.005 0.025 R 8 Cutting Edge K 0.05~0.15 0.013 0.025 T L 0.05~0.15 0.025 0.025 U E F T S M 0.05~0.15 0.08~0.2 0.05~0.13 N 0.05~0.15 0.08~0.2 0.025 W Chamferd Rounded Sharp Chamferd U 0.08~0.25 0.13~0.38 0.13 X Special shape and rounded 6 Thickness 9 Cutting Direction R N L Index 01 T1 02 03 T3 04 05 06 07 09 S(mm) 1.59 1.98 2.38 3.18 3.97 4.76 5.56 6.35 7.94 9.52 7 Corner Radius Manufacture's Type Designation Chip breaker design A D E F P Z 45° 60° 75° 85° 90° other SG, MG, RG, HG A B C D E F G N P Z 3° 5° 7° 15° 20° 25° 30° 0° 11° other B000