GSX MILL 2 Flute Endmills Sharp Edge 2 GSX 20000S-3D Type Flutes 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 Dimensions (mm) Cat. No. Stock Cutting diameter Depth of cut Cutting Edge Length Total Length Shank diameter DC APMX LU LF DMM GSX 20050S-3D D 0.5 1.5 1.9 40 4 20100S-3D D 1.0 3.0 4.0 40 4 20150S-3D D 1.5 4.5 5.5 40 4 20200S-3D D 2.0 6.0 7.0 40 4 20250S-3D D 2.5 7.5 8.5 40 4 GSX 20260S-3D D 2.6 8.0 9.5 50 4 20270S-3D D 2.7 8.5 10.0 50 4 20280S-3D D 2.8 9.0 10.5 50 4 20290S-3D D 2.9 9.0 10.5 50 4 20300S-3D D 3.0 9.0 10.5 50 6 GSX 20350S-3D D 3.5 12.0 13.5 50 6 20400S-3D D 4.0 12.0 13.5 50 6 20450S-3D D 4.5 15.0 16.5 50 6 20500S-3D D 5.0 15.0 17.0 50 6 20550S-3D D 5.5 18.0 20.0 50 6 GSX 20600S-3D D 6.0 18.0 Q 50 6 20650S-3D D 6.5 20.0 22.0 70 8 20700S-3D D 7.0 21.0 23.0 70 8 20750S-3D D 7.5 23.0 25.0 70 8 20800S-3D D 8.0 24.0 Q 70 8 GSX 20850S-3D D 8.5 26.0 28.0 75 10 I 20900S-3D D 9.0 27.0 29.0 75 10 20950S-3D D 9.5 29.0 31.0 75 10 21000S-3D D 10.0 30.0 Q 90 10 Coated Endmills 21050S-3D D 10.5 32.0 34.5 90 12 GSX 21100S-3D D 11.0 33.0 35.5 90 12 21150S-3D D 11.5 35.0 37.5 90 12 21200S-3D D 12.0 36.0 Q 90 12 Square 21300S-3D D 13.0 39.0 42.5 100 16 21400S-3D D 14.0 42.0 45.5 110 16 2 Flutes GSX 21500S-3D D 15.0 45.0 48.5 110 16 3 Flutes 21600S-3D D 16.0 48.0 Q 110 16 21700S-3D D 17.0 51.0 55.5 110 20 4 Flutes 21800S-3D D 18.0 54.0 58.5 120 20 6 Flutes 21900S-3D D 19.0 57.0 61.5 120 20 8 Flutes GSX 22000S-3D D 20.0 60.0 Q 120 20 Radius 22400S-3D D 24.0 72.0 77.0 130 25 22500S-3D D 25.0 75.0 Q 130 25 Ballnose Grade: ACF20 DLC SUMIDIA ■ Endmill Identification (GSXMILL Series Only) Coat Long GSX 2 0050 S - 3D Neck Uncoated ① ② ③ ④ ⑤ CBN Series Code No. of Flutes Diameter Cutting Edge Cutting Edge Length PCD (S: Sharp Edge C: Gash Land I28 D mark: Standard stocked item (expanded item)