SERIES DD6H HIGH FEED FACE MILL WITH 8 INDEXES Facing Channeling Ramping Pocketing Helical/Corkscrew Contouring Coolant D2 K H .065 D3 .050 D1 Wiper Flat Cutter Number D1 D3 D2EffectiveInnerBoreDiameterDiameterDiameterHHeight # ofEffectiveInsertsKeyway RampAngle DD6H-20R01 2.000 1.252 0.750 1.650 5 0.312 1.2 DD6H-25R01 2.500 1.752 .75 1.650 6 0.312 .80 DD6H-30R01 3.000 2.252 1.000 1.750 7 0.375 .66 DD6H-40R01 4.000 3.252 1.500 2.375 9 0.625 .45 DD6H-50R01 5.000 4.252 1.500 2.375 11 0.625 .20 DD6H-60R01 6.000 5.252 1.500 2.000 13 0.625 .10 Operating Guidelines on page 97. 52