
SERIES 12S1X, 12S1E CENTER CUTTING ENDMILL Facing Shoulder Channeling Ramping Pocketing Corkscrew Drilling Coolant L3 L2 D1 D2 L1 L4 D1 L1 L2 L3 L4 D2 No. of No. of No. of No. of Cutter Insert Nom. Max Extension Overall Projection Shank Effective Total Inserts Inserts Number Size Diameter DOC Length Length Length Size/Style Flutes Flutes Center Side 1.000 12S1X-1001780R01 0.87 1.75 4.00 1.60 1.000" W 1 2 1 2 1204 1.250 12S1X-1202781R01 0.93 2.75 5.00 2.60 1.250" W 1 2 1 2 1204 1.500 12S1E-1502781R01 1.26 2.75 5.00 2.75 1.250" W 1 2 1 2 1805 *Overall Length is measured to the sharp corner of the insert. † Use side inserts with corner radii no larger tham .031“R. Operating Guidelines on page 90. 12