Cutting Diameter Range Length Description Series Page 1.500 - 6.000 .31 45° Lead Face Mill ON5H - ON6H 166 (Screw Held - 5mm insert) 3.000 - 12.000 .55 45° Lead Face Mill OP1N 168 (Wedge Held - 9mm insert) 2.500 - 12.000 .55 45° Lead Face Mill OP6N 170 (Screw Held - 9mm insert) 2.000 - 4.000 .32 45° Lead Face Mill 5N6H 172 (Screw Held - 5mm insert) 2.000 - 6.000 .46 45° Lead Face Mill 5N6L 173 (Screw Held - 7mm insert) 2.120 - 5.620 .42 45° Lead Face Mill 5N6K 174 (Screw Held - 6mm insert) 1.500 - 8.000 .23 DM6G, DM5G 176 20° Lead Face Mill 3.000 - 12.000 .50 DM6Q, DM5Q 178 20° Lead Face Mill - Heavy Duty 6.000 - 12.000 .50 20° Lead Heavy Duty Face Mill w/ DM2Q 180 Pocket Protection 1.250 - 3.000 .18 5N6F 181 45° Lead Face Mill 162