EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated 0 DC -0.03 Stock DMM h5 0 DC -0.03 DMM h5 GSX MILL Ballnose Endmills GSXB 20000 Type General CarbonSteelSteelAlloySteelPre-hardenedSteelTemperedSteel/Die SteelHardenedSteel45 to 55HRCHardenedSteel55 to 60HRCStainlessSteelTi Alloy /Heat ResistantAlloyCast Iron Ballnose Flutes Coat Helix Angle Side Milling Face Milling R-Grooving Profiling Fig 1 Fig 2 APMX APMX RE±0.01 LU θ RE±0.01 LF LF DC θ I < ø2 10°ø2 or more15° Body Dimensions (mm) Cat. No. RadiusRE Dia.DC Cutting Edge Length Neck Length Overall LengthAPMXLULF Shank Dia.DMM Fig GSXB 20020 ● 0.20 0.4 0.6 0.8 50 4 1 GSXB 20030 ● 0.30 0.6 0.9 1.2 50 4 1 GSXB 20050 ● 0.50 1.0 1.5 2.0 50 4 1 GSXB 20075 ● 0.75 1.5 2.5 3.0 50 4 1 GSXB 20100 ● 1.00 2.0 3.0 4.0 60 6 1 GSXB 20125 ● 1.25 2.5 4.0 5.0 60 6 1 GSXB 20150 ● 1.50 3.0 4.5 6.0 60 6 1 GSXB 20200 ● 2.00 4.0 6.0 8.0 70 6 1 GSXB 20250 ● 2.50 5.0 7.5 10.0 80 6 1 GSXB 20300 ● 3.00 6.0 9.0 ― 80 6 2 GSXB 20350 ● 3.50 7.0 11.0 20.0 90 8 1 GSXB 20400 ● 4.00 8.0 12.0 ― 90 8 2 GSXB 20500 ● 5.00 10.0 15.0 ― 100 10 2 GSXB 20600 ● 6.00 12.0 18.0 ― 110 12 2 GSXB 20700 ● 7.00 14.0 21.0 38.0 110 16 1 GSXB 20800 ● 8.00 16.0 24.0 ― 140 16 2 GSXB 20900 ● 9.00 18.0 27.0 50.0 140 20 1 GSXB 21000 ● 10.00 20.0 30.0 ― 160 20 2 Grade: ACB20 I130