ISO NAMENCLATURE FOR INDEXABLE CARBIDE INSERTS F \ ? Right Sharp S Chipbreaker S NPF E t NPM ? NPR Rounded MSF NMF R (mm ) 01 T1 02 03 T3 04 05 06 07 09 S = 1.59 S = 1.98 S = 2.38 S = 3.18 S 3.97 S = 4.76 S = 5.56 S = 6.35 S = 7.94 S = 9.52 - 02 04 05 08 12 16 20 24 32 0.2 0.4 0.5 0.8 1.2 1.6 2.0 2.4 3.2 T r NMM ? NTM Left Chamfered NTR s C ? Chamfered and Rounded Right and Left MO: round insert Height of cutting edge Corner radius Cutting edge preparation Hand of tool Defined by the manufacturer www. harlingentools . com 108