EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated DC Stock DMM h5 DC DMM h5 GSX MILL 4 Flute Endmills Sharp Edge GSX 40000S-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 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 40100S-2D ● 1.0 2.5 3.5 40 4 1 GSX 40100S-2D-S3 ● 1.0 2.5 3.5 38 3 1 GSX 40150S-2D ● 1.5 3.8 4.8 40 4 1 GSX 40200S-2D ● 2.0 5.0 6.0 40 4 1 GSX 40200S-2D-S3 ● 2.0 5.0 6.0 38 3 1 GSX 40250S-2D ● 2.5 6.3 7.3 40 4 1 GSX 40300S-2D ● 3.0 7.5 9.0 45 6 1 GSX 40300S-2D-S3 ● 3.0 7.5 ― 38 3 2 GSX 40350S-2D ● 3.5 8.8 10.0 45 6 1 GSX 40400S-2D ● 4.0 11.0 14.0 45 6 1 GSX 40400S-2D-S4 ● 4.0 11.0 ― 45 4 2 GSX 40450S-2D ● 4.5 11.3 12.8 50 6 1 GSX 40500S-2D ● 5.0 13.0 19.6 50 6 1 GSX 40550S-2D ● 5.5 13.0 19.6 50 6 1 GSX 40600S-2D ● 6.0 13.0 ― 50 6 2 GSX 40650S-2D ● 6.5 13.0 19.6 60 8 1 GSX 40700S-2D ● 7.0 16.0 21.1 60 8 1 GSX 40750S-2D ● 7.5 16.0 21.1 60 8 1 GSX 40800S-2D ● 8.0 19.0 ― 60 8 2 GSX 40850S-2D ● 8.5 19.0 24.1 70 10 1 GSX 40900S-2D ● 9.0 19.0 24.1 70 10 1 GSX 40950S-2D ● 9.5 19.0 24.1 70 10 1 GSX 41000S-2D ● 10.0 22.0 ― 70 10 2 GSX 41050S-2D ● 10.5 22.0 24.5 75 12 1 GSX 41100S-2D ● 11.0 22.0 24.5 75 12 1 GSX 41150S-2D ● 11.5 23.0 25.5 75 12 1 GSX 41200S-2D ● 12.0 26.0 ― 75 12 2 GSX 41300S-2D ● 13.0 26.0 29.5 90 16 1 GSX 41350S-2D ● 13.5 27.0 30.5 90 16 1 GSX 41400S-2D ● 14.0 28.0 31.5 90 16 1 GSX 41500S-2D ● 15.0 30.0 33.5 90 16 1 GSX 41600S-2D ● 16.0 32.0 ― 90 16 2 GSX 41700S-2D ● 17.0 35.0 39.5 100 20 1 GSX 41800S-2D ● 18.0 40.0 44.5 100 20 1 GSX 41900S-2D ● 19.0 40.0 44.5 100 20 1 GSX 42000S-2D ● 20.0 40.0 ― 100 20 2 GSX 42200S-2D ● 22.0 44.0 49.0 110 25 1 GSX 42400S-2D ● 24.0 48.0 53.0 120 25 1 GSX 42500S-2D ● 25.0 50.0 ― 120 25 2 Grade: ACF20 Endmill Identification (GSXMILL Series Only) GSX 4 0100 S - 2D - S3 Series Code Number Dia. Cutting Edge Cutting Edge Shank Dia. of Teeth S: Sharp Edge Length I52