SERIES 12A9 (TOP•ON STYLE) BALL NOSE ENDMILL Ramping Corkscrew Pocket Contour Coolant L1 D1 M D2 D1 D2Cutter NumberEffectiveFlangeDiameterDiameterT1ThreadSize L1Extension EffectiveCuttingEdges WrenchSize InsertSeries 12A9F-03011X5R01 .375 .510 M8 1.00 2 10mm 09 12A9H-05011X5R01 .500 .510 M8 1.00 2 10mm 12 12A9K-06015X5R01 .625 .510 M8 1.25 2 10mm 15 12A9M-07016X6R01 .750 .710 M10 1.25 2 15mm 19 12A9M-07021X7R01 .750 .830 M12 1.50 2 17mm 25 12A9R-10023X7R01 1.000 .975 M12 1.50 2 17mm 31 12A9R-10023X7R02 1.000 .820 M12 1.50 2 12A9S-12063X8R01 1.250 1.140 M16 2.50 2 Operating Guidelines on page 99. 73