SERIES OP1N 45 DEGREE LEAD FACE MILL (WEDGE HELD - 9MM INSERT) WITH 16 INDEXES Lead Angle Chamfer Facing H D1 D3 BC .20 D2 .55 43° D1 D3 Effective Overall Number H D2 K Bolt Cutter Number Diameter Diameter of Inserts Height Bore Dia. Keyway Circle OP1N-30R01 3.000 3.53 8 1.750 1.000 0.375 NA OP1N-40R01 4.000 4.53 12 2.375 1.500 0.625 NA OP1N-50R01 5.000 5.53 15 2.375 1.500 0.625 NA OP1N-60R01 6.000 6.53 19 2.375 1.500 0.625 NA OP1N-80L01 8.000 8.53 24 2.375 2.500 1.000 4.00 OP1N-80R01 8.000 8.53 24 2.375 2.500 1.000 4.00 OP1N-10L01 10.000 10.53 30 2.375 2.500 1.000 4.00 OP1N-10R01 10.000 10.53 30 2.375 2.500 1.000 4.00 OP1N-12L01 12.000 12.53 38 2.375 2.500 1.000 4.00, 7.00 OP1N-12R01 12.000 12.53 38 2.375 2.500 1.000 4.00, 7.00 Operating guidelines on page 362. 168