GM series Solid carbide milling Ball nose cutter Semi-finishing A GM-4B – Factory standard Turning – Centre cutting – Helix angle 35° D d A 10° L H R B D d B H R L Dimensions [mm] Grade Milling Article R D d (h6) H L Teeth Geometry KMG303 GM-4B-R1.5 1.5 3 6 6 50 4 A Ɣ GM-4B-R2.0 2 4 6 8 50 4 A Ɣ GM-4B-R2.5 2.5 5 6 10 50 4 A Ɣ GM-4B-R3.0 3 6 6 12 50 4 B Ɣ GM-4B-R4.0 4 8 8 16 60 4 B Ɣ GM-4B-R5.0 5 10 10 20 75 4 B Ɣ GM-4B-R6.0 GM-4B-R7.0 6 7 12 14 12 14 24 28 75 75 4 4 B B Ɣ Ɣ C GM-4B-R8.0 8 16 16 32 100 4 B Ɣ GM-4B-R9.0 9 18 18 36 100 4 B Ɣ GM-4B-R10.0 10 20 20 40 100 4 B Ɣ Drilling ƔEx stockżOn demand With internal cooling Application field P M K N S H DVery suitable D D D DSuitable D Information Technical E Index System code B268 Cutting data B436 Nonstandard order B477 B 319