SQUARE INSERT INDEXABLE DRILLS Drilling Coolant L3 L2 L1 D1 D2 D1 D1 L1 L2 L3 D2 Num Nom. Dia. Nom. Dia. Drilling Ext. frm Overall Shank of Part Number inch mm Length Holder Length Style/Size Inserts Q0437087N6R01 1.719 43.7mm 3.44 5.43 7.79 1.250 Universal 2 Q0445089N6R01 1.750 44.5mm 3.50 5.59 7.95 1.250 Universal 2 Q0452090N7R01 1.781 45.2mm 3.56 5.59 8.35 1.500 Universal 2 Q0460092N7R01 1.813 46.0mm 3.63 5.71 8.46 1.500 Universal 2 Q0476095N7R01 1.875 47.6mm 3.75 5.91 8.66 1.500 Universal 2 Q0492098N7R01 1.937 49.2mm 3.87 5.98 8.74 1.500 Universal 2 Q0500100N7R01 1.969 50.0mm 3.94 6.10 8.86 1.500 Universal 2 Q0508102N7R01 2.000 50.8mm 4.00 6.22 8.98 1.500 Universal 2 For inserts, see page 528. For hardware, see page 529. Operating guidelines on page 686. 519