EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated DC Stock DMM h5 DC DMM h5 GSX MILL Endmills (2 Flutes) GSX 20000C-1.5D 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 Helical Milling Ramping Fig 1 Fig 2 APMX APMX LU 15° 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-1.5D ● 0.5 1.0 1.4 40 4 1 GSX 20100C-1.5D ● 1.0 1.5 2.5 40 4 1 GSX 20150C-1.5D ● 1.5 2.3 3.3 40 4 1 GSX 20200C-1.5D ● 2.0 3.0 4.0 40 4 1 GSX 20250C-1.5D ● 2.5 3.8 4.8 40 4 1 GSX 20300C-1.5D ● 3.0 4.5 6.0 45 6 1 GSX 20350C-1.5D ● 3.5 5.3 6.8 45 6 1 GSX 20400C-1.5D ● 4.0 6.0 7.5 45 6 1 GSX 20450C-1.5D ● 4.5 6.8 8.3 50 6 1 GSX 20500C-1.5D ● 5.0 7.5 9.5 50 6 1 GSX 20550C-1.5D ● 5.5 8.3 10.3 50 6 1 GSX 20600C-1.5D ● 6.0 9.0 ― 50 6 2 GSX 20650C-1.5D ● 6.5 10.0 12.0 60 8 1 GSX 20700C-1.5D ● 7.0 11.0 13.0 60 8 1 GSX 20750C-1.5D ● 7.5 12.0 14.0 60 8 1 GSX 20800C-1.5D ● 8.0 12.0 ― 60 8 2 GSX 20850C-1.5D ● 8.5 13.0 15.0 70 10 1 GSX 20900C-1.5D ● 9.0 14.0 16.0 70 10 1 GSX 20950C-1.5D ● 9.5 15.0 17.0 70 10 1 GSX 21000C-1.5D ● 10.0 15.0 ― 70 10 2 GSX 21050C-1.5D ● 10.5 16.0 18.5 75 12 1 GSX 21100C-1.5D ● 11.0 17.0 19.5 75 12 1 GSX 21150C-1.5D ● 11.5 18.0 20.5 75 12 1 GSX 21200C-1.5D ● 12.0 18.0 ― 75 12 2 GSX 21300C-1.5D ● 13.0 20.0 23.5 90 16 1 GSX 21400C-1.5D ● 14.0 21.0 24.5 90 16 1 GSX 21500C-1.5D ● 15.0 23.0 26.5 90 16 1 GSX 21600C-1.5D ● 16.0 24.0 ― 90 16 2 GSX 21700C-1.5D ● 17.0 26.0 30.5 100 20 1 GSX 21800C-1.5D ● 18.0 27.0 31.5 100 20 1 GSX 21900C-1.5D ● 19.0 29.0 33.5 100 20 1 GSX 22000C-1.5D ● 20.0 30.0 ― 100 20 2 GSX 22500C-1.5D ● 25.0 38.0 ― 120 25 2 Grade: ACF20 Endmill Identification (GSXMILL Series Only) GSX 2 1000 C - 1.5D Series Code Number Dia. Cutting Edge Cutting Edge of Teeth C: Gash Land Length I30