EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated DC Stock DMM h5 DC DMM h5 GSX MILL Slot Endmills (3 Flutes) GSXSLT 30000C-1.5D Type General CarbonSteelSteelAlloySteelPre-hardenedSteelTemperedSteel/Die SteelHardenedSteel45 to 55HRCStainlessSteelTi 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 15˚ APMX LU 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 GSXSLT 30100C-1.5D ● 1.0 1.5 2.5 40 4 1 GSXSLT 30150C-1.5D ● 1.5 2.3 3.3 40 4 1 GSXSLT 30200C-1.5D ● 2.0 3.0 4.0 40 4 1 GSXSLT 30250C-1.5D ● 2.5 3.8 4.8 40 4 1 GSXSLT 30300C-1.5D ● 3.0 4.5 6.0 45 6 1 GSXSLT 30400C-1.5D ● 4.0 6.0 7.5 45 6 1 GSXSLT 30500C-1.5D ● 5.0 7.5 9.5 50 6 1 GSXSLT 30600C-1.5D ● 6.0 9.0 ― 50 6 2 GSXSLT 30700C-1.5D ● 7.0 11.0 13.0 60 8 1 GSXSLT 30800C-1.5D ● 8.0 12.0 ― 60 8 2 GSXSLT 30900C-1.5D ● 9.0 14.0 16.0 70 10 1 GSXSLT 31000C-1.5D ● 10.0 15.0 ― 70 10 2 GSXSLT 31200C-1.5D ● 12.0 18.0 ― 75 12 2 Grade: ACF20 Endmill Identification (GSXMILL Series Only) GSXSLT 3 0100 C - 1.5D Series Code Number Dia. Cutting Cutting Edge of Teeth Edge Length C: Gash Land I144