I ® Insert Designation I 15 05 08 S R - GM I 5 I 6 7 8 9 - 10 I I Length of the Cutting Edge Corner Radius Symbol Cutting Direction Corner Radius O I Symbol Symbol Cutting Direction(mm) I 02 R0.2 R Right Hand R 04 R0.4 L Left Hand I I 08 R0.8 S I 12 R1.2 N Neutral I 16 R1.6 I T I 24 R2.4 I I Z I I I E Thickness of Insert Type of Cutting Edge Type of Chip Breaker I E Symbol AppeaErance Symbol Name I F I s1 GL GL Breaker I F FSharpFEdge GM GM Breaker ESymbolThickI ness(mm)IETGR GR BreakerHRHR Breaker 02 2.38 RoundTHoning 03 3.18 T NM NM BreakerF T3 3.97 T S SM SM Breaker 04 4.76 Chamfer HoningS DM DM Breaker 05 5.56 S TS DR DR Breaker 06 6.35 Combination Honing DN DN Breaker WWW.OSGTOOL.COM S OSG PHOENIX® 1153