EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated DC Stock DMM h5 DC DMM h5 GSX MILL 2 Flute Endmills Sharp Edge GSX 20000S-2D Type General CarbonSteelSteelAlloySteelPre-hardenedSteelTemperedSteel/Die SteelHardenedSteel45 to 55HRCHardenedSteel55 to 60HRCStainlessSteelTi Alloy /Heat ResistantAlloyCast Iron Corner Flutes Coat Helix Angle Side Milling Groove Finishing 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 (Diameter ø8.9 to 25.0mm) Dimensions (mm) Cat. No. Dia.DC Cutting Edge Length Neck Length Overall LengthAPMXLULF Shank Dia.DMM Fig GSX 20890S-2D ● 8.9 19.0 24.1 70 10 1 GSX 20900S-2D ● 9.0 19.0 24.1 70 10 1 GSX 20910S-2D ● 9.1 19.0 24.1 70 10 1 GSX 20920S-2D ● 9.2 19.0 24.1 70 10 1 GSX 20930S-2D ● 9.3 19.0 24.1 70 10 1 GSX 20940S-2D ● 9.4 19.0 24.1 70 10 1 GSX 20950S-2D ● 9.5 20.0 25.1 70 10 1 GSX 20960S-2D ● 9.6 20.0 25.1 70 10 1 GSX 20970S-2D ● 9.7 20.0 25.1 70 10 1 GSX 20980S-2D ● 9.8 20.0 25.1 70 10 1 GSX 20990S-2D ● 9.9 20.0 25.1 70 10 1 GSX 21000S-2D ● 10.0 22.0 ― 70 10 2 GSX 21050S-2D ● 10.5 22.0 24.5 75 12 1 GSX 21100S-2D ● 11.0 22.0 24.5 75 12 1 GSX 21150S-2D ● 11.5 23.0 25.5 75 12 1 GSX 21200S-2D ● 12.0 26.0 ― 75 12 2 GSX 21250S-2D ● 12.5 26.0 29.5 75 16 1 GSX 21300S-2D ● 13.0 26.0 29.5 90 16 1 GSX 21400S-2D ● 14.0 28.0 31.5 90 16 1 GSX 21500S-2D ● 15.0 30.0 33.5 90 16 1 GSX 21600S-2D ● 16.0 32.0 ― 90 16 2 GSX 21700S-2D ● 17.0 35.0 39.5 100 20 1 GSX 21800S-2D ● 18.0 40.0 44.5 100 20 1 GSX 21900S-2D ● 19.0 40.0 44.5 100 20 1 GSX 22000S-2D ● 20.0 40.0 ― 100 20 2 GSX 22100S-2D ● 21.0 42.0 47.0 110 25 1 GSX 22200S-2D ● 22.0 44.0 49.0 110 25 1 GSX 22300S-2D ● 23.0 46.0 51.0 120 25 1 GSX 22400S-2D ● 24.0 48.0 53.0 120 25 1 GSX 22500S-2D ● 25.0 50.0 ― 120 25 2 Grade: ACF20 Endmill Identification (GSXMILL Series Only) GSX 2 0150 S - 2D - S3 Series Code Number Dia. Cutting Edge Cutting Edge Shank Dia. of Teeth S: Sharp Edge Length I34