SERIES ON5H ON6H 45 DEGREE LEAD FACE MILL (SCREW HELD - 5MM INSERT) WITH 16 INDEXES Lead Angle Chamfer Facing Coolant D2 K H .12 45° D1 D3 .31 D1 D3 Effective Overall Number H D2 K Cutter Number Diameter Diameter of Inserts Height Bore Dia. Keyway Coolant ON6H-15R01 1.500 1.83 4 1.570 0.500 0.250 Yes ON5H-20R01 2.000 2.33 6 1.570 0.750 0.312 Yes ON6H-20R01 2.000 2.33 4 1.570 0.750 0.312 Yes ON6H-25R01 2.500 2.83 6 1.570 0.750 0.312 Yes ON5H-30R01 3.000 3.33 10 1.750 1.000 0.375 Yes ON6H-30R01 3.000 3.33 7 1.750 1.000 0.375 Yes ON5H-40R01 4.000 4.33 12 2.375 1.500 0.625 Yes ON6H-40R01 4.000 4.33 8 2.375 1.500 0.625 Yes ON6H-50R01 5.000 5.33 10 2.375 1.500 0.625 Yes ON5H-60R01 6.000 6.33 18 2.375 1.500 0.625 No ON6H-60R01 6.000 6.33 12 2.375 1.500 0.625 No Operating guidelines on page 362. 166