SERIES 12A9, 12A5 BALL NOSE ENDMILL Ramping Corkscrew Pocket Contour STEEL L2 D1 L1 D2 Cutter Number D1EffectiveDiameter D2ShankSize/Style L1Extension L2OverallLength EffectiveCuttingEdgeInsertSeries 12A9F-03017S4R01 0.375 .500“ Cylindrical 1.85 6.00 2 09 12A9H-05019S4R01 0.500 .500“ Cylindrical 1.92 7.00 2 12 12A9K-06015S6R01 0.625 .625“ Cylindrical 1.58 8.00 2 15 12A9M-07018S7R01 0.750 .750“ Cylindrical 1.85 8.00 2 19 12A9R-10018S1R01 1.000 1.000“ Cylindrical 1.81 8.00 2 25 12A9S-12030S9R01 1.250 1.250“ Cylindrical 3.03 11.81 2 31 CARBIDE D1 steel brazing carbide D2 L1 L2 Cutter Number D1EffectiveDiameter D2ShankSize/Style L1Extension L2OverallLength EffectiveCuttingEdgesInsertSeries 12A5F-03015S8R01 0.375 .375“ Cylindrical 1.50 6.00 2 09 12A5H-05015S4R02 0.500 .500“ Cylindrical 1.50 4.00 2 12 12A5H-05015S4R01 0.500 .500“ Cylindrical 1.50 7.00 2 12 12A5K-06018S6R02 0.625 .625“ Cylindrical 1.88 4.00 2 15 12A5K-06018S6R01 0.625 .625“ Cylindrical 1.88 7.00 2 15 12A5M-07022S7R02 0.750 .750“ Cylindrical 2.25 4.00 2 19 12A5M-07022S7R01 0.750 .750“ Cylindrical 2.25 7.50 2 19 72 Operating Guidelines on page 99.