TurningMillingDrillingTechnicalInformationIndex dd DD Solid carbide milling GM series A Ball nose cutter long shank Semi-finishing GM-4BL – Factory standard – Centre cutting – Helix angle 35° A 10° L H R B B L H R Dimensions [mm] Grade Article R D d (h6) H L Teeth Geometry KMG303 GM-4BL-R1.5 1.5 3 6 6 75 4 A ż GM-4BL-R2.0 2 4 6 8 75 4 A ż GM-4BL-R2.5 2.5 5 6 10 75 4 A ż GM-4BL-R3.0 3 6 6 12 75 4 B ż GM-4BL-R4.0 4 8 8 16 100 4 B ż C GM-4BL-R5.0GM-4BL-R6.0 5 10 10 20 100 4 B ż61212241004Bż GM-4BL-R7.0 7 14 14 28 100 4 B ż GM-4BL-R8.0 8 16 16 32 150 4 B ż GM-4BL-R9.0 9 18 18 36 150 4 B ż GM-4BL-R10.0 10 20 20 40 150 4 B ż ƔEx stockżOn demand With internal cooling Application field P M K N S H DVery suitable D D D D DSuitable E System code B268 Cutting data B436 Nonstandard order B477 B 320