GSX MILL 4 Flutes Endmills Sharp Edge 4 GSX 40000S-4D 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 Finishing DC DMM h5 30° APMX LU LF Helix Angle ■ Body  Dimensions (mm) Cat. No. Stock Cutting diameter Depth of cut Cutting Edge Length Total Length Shank diameter DC APMX LU LF DMM GSX 40100S-4D D 1.0 4.0 5.0 40 4 40150S-4D D 1.5 6.0 7.0 40 4 40200S-4D D 2.0 8.0 9.0 40 4 40250S-4D D 2.5 10.0 11.0 50 4 40300S-4D D 3.0 12.0 13.5 50 6 GSX 40350S-4D D 3.5 14.0 15.5 50 6 40400S-4D D 4.0 16.0 17.5 50 6 40450S-4D D 4.5 18.0 19.5 60 6 40500S-4D D 5.0 20.0 22.0 60 6 40550S-4D D 5.5 22.0 24.0 60 6 GSX 40600S-4D D 6.0 24.0 Q 60 6 40650S-4D D 6.5 26.0 28.0 70 8 40700S-4D D 7.0 28.0 30.0 80 8 40750S-4D D 7.5 30.0 32.0 80 8 40800S-4D D 8.0 32.0 Q 80 8 GSX 40850S-4D D 8.5 34.0 36.0 90 10 40900S-4D D 9.0 36.0 38.0 90 10 40950S-4D D 9.5 39.0 41.0 90 10 41000S-4D D 10.0 40.0 Q 90 10 41050S-4D D 10.5 42.0 44.5 100 12 GSX 41100S-4D D 11.0 44.0 46.5 100 12 I 41150S-4D D 11.5 46.0 48.5 100 12 41200S-4D D 12.0 48.0 Q 100 12 41300S-4D D 13.0 52.0 55.5 110 16 Coated Endmills 41400S-4D D 14.0 56.0 59.5 120 16 GSX 41500S-4D D 15.0 60.0 63.5 120 16 41600S-4D D 16.0 64.0 Q 120 16 41700S-4D D 17.0 68.0 72.5 130 20 Square 41800S-4D D 18.0 72.0 76.5 130 20 41900S-4D D 19.0 76.0 80.5 140 20 2 Flutes GSX 42000S-4D D 20.0 80.0 Q 140 20 3 Flutes 42500S-4D D 25.0 100.0 Q 160 25 Grade: ACF20 4 Flutes 6 Flutes ■ Endmill Identification (GSXMILL Series Only) 8 Flutes Radius GSX 4 0100 S - 4D 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 I60