Expansion GSX MILL 2 Flute Endmills Sharp Edge GSX 20000S-2D Type 2 Coated Carbide Carbon Steel Alloy Steel Pre-hardened Tempered Steel Die Steel Hardened Steel Stainless Ti Alloy Heat Resistant A loy Cast Iron Aluminum Copper Alloy Graphite CFRP Steel 45 to 55 55 to 60 60 to 65 Steel Alloy HRC HRC HRC Flutes S G G G G G S G S S Coating Corner Side Milling Groove Finishing DC DMM h5 30° APMX DC Tolerance LU D ≤ 3.0 0 –0.015 LF 3.0 < D ≤ 12 0 –0.020 Helix Angle 12.0 < D 0 –0.030 ■ Body Diameter ø4.9 to 9.8mm Dimensions (mm) Cat. No. Stock Cutting diameter Depth of cut Cutting Edge Length Total Length Shank diameter DC APMX LU LF DMM GSX 20490S-2D D 4.9 11.3 12.8 50 6 20500S-2D D 5.0 13.0 19.6 50 6 20510S-2D D 5.1 13.0 19.6 50 6 20520S-2D D 5.2 13.0 19.6 50 6 20530S-2D D 5.3 13.0 19.6 50 6 GSX 20540S-2D D 5.4 13.0 19.6 50 6 20550S-2D D 5.5 13.0 19.6 50 6 20560S-2D D 5.6 13.0 19.6 50 6 20570S-2D D 5.7 13.0 19.6 50 6 20580S-2D D 5.8 13.0 19.6 50 6 GSX 20590S-2D D 5.9 13.0 19.6 50 6 20600S-2D D 6.0 13.0 Q 50 6 20610S-2D D 6.1 13.0 19.6 50 8 20620S-2D D 6.2 13.0 19.6 50 8 20630S-2D D 6.3 13.0 19.6 50 8 GSX 20640S-2D D 6.4 13.0 19.6 50 8 20650S-2D D 6.5 13.0 19.6 60 8 20660S-2D D 6.6 13.2 19.8 60 8 20670S-2D D 6.7 13.4 20.0 60 8 20680S-2D D 6.8 13.6 20.2 60 8 GSX 20690S-2D D 6.9 13.8 20.4 60 8 20700S-2D D 7.0 16.0 21.1 60 8 I 20710S-2D D 7.1 16.0 21.1 60 8 20720S-2D D 7.2 16.0 21.1 60 8 20730S-2D D 7.3 16.0 21.1 60 8 Endmills Coated GSX 20740S-2D D 7.4 16.0 21.1 60 8 20750S-2D D 7.5 16.0 21.1 60 8 20760S-2D D 7.6 16.0 21.1 60 8 20770S-2D D 7.7 16.0 21.1 60 8 Square 20780S-2D D 7.8 16.0 21.1 60 8 GSX 20790S-2D D 7.9 16.0 21.1 60 8 2 Flutes 20800S-2D D 8.0 19.0 Q 60 8 3 Flutes 20810S-2D D 8.1 19.0 24.1 60 10 20820S-2D D 8.2 19.0 24.1 60 10 4 Flutes 20830S-2D D 8.3 19.0 24.1 60 10 6 Flutes GSX 20840S-2D D 8.4 19.0 24.1 60 10 8 Flutes 20850S-2D D 8.5 19.0 24.1 70 10 Radius 20860S-2D D 8.6 19.0 24.1 70 10 20870S-2D D 8.7 19.0 24.1 70 10 Ballnose 20880S-2D D 8.8 19.0 24.1 70 10 DLC GSX 20890S-2D D 8.9 19.0 24.1 70 10 20900S-2D D 9.0 19.0 24.1 70 10 SUMIDIA 20910S-2D D 9.1 19.0 24.1 70 10 Coat 20920S-2D D 9.2 19.0 24.1 70 10 Long Neck 20930S-2D D 9.3 19.0 24.1 70 10 Uncoated GSX 20940S-2D D 9.4 19.0 24.1 70 10 20950S-2D D 9.5 20.0 25.1 70 10 CBN 20960S-2D PCD D 9.6 20.0 25.1 70 10 20970S-2D D 9.7 20.0 25.1 70 10 20980S-2D D 9.8 20.0 25.1 70 10 Grade: ACF20 D mark: Standard stocked item (expanded item) I23