GSX MILL Endmills (4 Flutes) 4 GSX 40000C-2D Type Flutes 4 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 Milling Groove Finishing Face Milling Helical Milling Ramping 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 40100C-2D D 1.0 2.0 3.0 40 4 40150C-2D D 1.5 3.0 4.0 40 4 40200C-2D D 2.0 4.0 5.0 40 4 40250C-2D D 2.5 5.0 6.0 40 4 40300C-2D D 3.0 6.0 7.5 45 6 GSX 40350C-2D D 3.5 7.0 8.5 45 6 40400C-2D D 4.0 8.0 9.5 45 6 40450C-2D D 4.5 9.0 10.5 50 6 40500C-2D D 5.0 10.0 12.0 50 6 40550C-2D D 5.5 11.0 13.0 50 6 GSX 40600C-2D D 6.0 12.0 Q 50 6 40650C-2D D 6.5 13.0 15.0 60 8 40700C-2D D 7.0 14.0 16.0 60 8 40750C-2D D 7.5 15.0 17.0 60 8 40800C-2D D 8.0 16.0 Q 60 8 GSX 40850C-2D D 8.5 17.0 19.0 70 10 40900C-2D D 9.0 18.0 20.0 70 10 40950C-2D D 9.5 19.0 21.0 70 10 41000C-2D D 10.0 20.0 Q 70 10 41050C-2D D 10.5 21.0 23.5 75 12 GSX 41100C-2D D 11.0 22.0 24.5 75 12 I 41150C-2D D 11.5 23.0 25.5 75 12 41200C-2D D 12.0 24.0 Q 75 12 41300C-2D D 13.0 26.0 29.5 90 16 Coated Endmills 41400C-2D D 14.0 28.0 31.5 90 16 GSX 41500C-2D D 15.0 30.0 33.5 90 16 41600C-2D D 16.0 32.0 Q 90 16 41700C-2D D 17.0 34.0 39.5 100 20 Square 41800C-2D D 18.0 36.0 40.5 100 20 41900C-2D D 19.0 38.0 42.5 100 20 2 Flutes GSX 42000C-2D D 20.0 40.0 Q 100 20 3 Flutes 42500C-2D D 25.0 50.0 Q 120 25 Grade: ACF20 4 Flutes 6 Flutes ■ Endmill Identification (GSXMILL Series Only) 8 Flutes Radius GSX 4 0100 C - 2D Ballnose ① ② ③ ④ ⑤ DLC Series Code No. of Flutes Diameter Cutting Edge Cutting Edge Length (S: Sharp Edge SUMIDIA C: Gash Land Coat Long Neck Uncoated CBN PCD I48 D mark: Standard stocked item (expanded item)