EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated DC Stock DMM h5 DC DMM h5 GSX MILL Endmills (2 Flutes) GSX 20000C-3D Type General CarbonSteelSteelAlloySteelPre-hardenedSteelTemperedSteel/Die SteelHardenedSteel45 to 55HRCHardenedSteel55 to 60HRCStainlessSteelTi Alloy /Heat ResistantAlloyCast Iron Corner Flutes Coat Helix Angle Side Milling Grooving Groove Finishing Face Milling Spot Facing Fig 1 Fig 2 APMX LU 15° APMX LF LF DC Tolerance D ≤ 3.0 0 -0.015 I 3.0 < D ≤ 12 0 -0.02012.0 < D0-0.030 Body Dimensions (mm) Cat. No. Dia.DC Cutting Edge Length Neck Length Overall LengthAPMXLULF Shank Dia.DMM Fig GSX 20050C-3D ● 0.5 1.5 1.9 40 4 1 GSX 20100C-3D ● 1.0 3.0 4.0 40 4 1 GSX 20150C-3D ● 1.5 4.5 5.5 40 4 1 GSX 20200C-3D ● 2.0 6.0 7.0 40 4 1 GSX 20250C-3D ● 2.5 7.5 8.5 40 4 1 GSX 20300C-3D ● 3.0 9.0 10.5 50 6 1 GSX 20350C-3D ● 3.5 11.0 12.5 50 6 1 GSX 20400C-3D ● 4.0 12.0 13.5 50 6 1 GSX 20450C-3D ● 4.5 14.0 15.5 50 6 1 GSX 20500C-3D ● 5.0 15.0 17.0 50 6 1 GSX 20550C-3D ● 5.5 17.0 19.0 50 6 1 GSX 20600C-3D ● 6.0 18.0 ― 50 6 2 GSX 20650C-3D ● 6.5 20.0 22.0 70 8 1 GSX 20700C-3D ● 7.0 21.0 23.0 70 8 1 GSX 20750C-3D ● 7.5 23.0 25.0 70 8 1 GSX 20800C-3D ● 8.0 24.0 ― 70 8 2 GSX 20850C-3D ● 8.5 26.0 28.0 75 10 1 GSX 20900C-3D ● 9.0 27.0 29.0 75 10 1 GSX 20950C-3D ● 9.5 29.0 31.0 75 10 1 GSX 21000C-3D ● 10.0 30.0 ― 90 10 2 GSX 21050C-3D ● 10.5 32.0 34.5 90 12 1 GSX 21100C-3D ● 11.0 33.0 35.5 90 12 1 GSX 21150C-3D ● 11.5 35.0 37.5 90 12 1 GSX 21200C-3D ● 12.0 36.0 ― 90 12 2 GSX 21300C-3D ● 13.0 39.0 42.5 100 16 1 GSX 21400C-3D ● 14.0 42.0 45.5 110 16 1 GSX 21500C-3D ● 15.0 45.0 48.5 110 16 1 GSX 21600C-3D ● 16.0 48.0 ― 110 16 2 GSX 21700C-3D ● 17.0 51.0 55.5 110 20 1 GSX 21800C-3D ● 18.0 54.0 58.5 120 20 1 GSX 21900C-3D ● 19.0 57.0 61.5 120 20 1 GSX 22000C-3D ● 20.0 60.0 ― 120 20 2 GSX 22500C-3D ● 25.0 75.0 ― 130 25 2 Grade: ACF20 Endmill Identification (GSXMILL Series Only) GSX 2 0100 C - 3D Series Code Number Dia. Cutting Edge Cutting Edge of Teeth C: Gash Land Length I40