Shoulder milling tools | CoroMill® 490 CoroMill® 490, cutter for square shoulder milling​​ Cylindrical shank - Internal coolant supply Common data values KAPR [deg] 90.0 Imperial (inch) Ordering code DC APMX CNSC DCONMS LF LU TQ RPMX [inch] [inch] [inch] [inch] [inch] [ft] [1/min] A490-019O19L-08L 0.750 0.217 1 2 0.750 6.500 1.625 0.9 22100 A490-025O25L-08L 1.000 0.217 1 2 1.000 8.000 2.125 0.9 12100 A490-025O25L-08M 1.000 0.217 1 3 1.000 8.000 2.125 0.9 12100 A490-038O32L-14M 1.500 0.394 1 3 1.250 10.000 2.2 7400 ​ 95