GS MILL Roughing 4 GSRE 4000SF 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 GS Steel 45 to 55 55 to 60 60 to 65 Steel Alloy HRC HRC HRC Flutes G G G G G G G S G Coating Corner Side Milling Groove Milling Face Milling Helical Milling Ramping 0.05 DMM h6 40° DC CHW APMX LF Helix Angle ■ Body  Dimensions (mm) Cat. No. Stock Cutting diameter Depth of cut Total Length Chamfering Shank diameter DC APMX LF CHW DMM GSRE 4060SF D 6.0 13.0 50 0.3 6 4070SF D 7.0 16.0 60 0.3 8 4080SF D 8.0 19.0 60 0.4 8 4090SF D 9.0 19.0 70 0.4 10 4100SF D 10.0 22.0 70 0.5 10 GSRE 4110SF D 11.0 22.0 75 0.5 12 4120SF D 12.0 26.0 75 0.6 12 4140SF D 14.0 26.0 90 0.6 16 4160SF D 16.0 32.0 90 0.8 16 4180SF D 18.0 32.0 100 0.8 20 GSRE 4200SF D 20.0 38.0 100 1.0 20 Grade: ACF20 I Coated Endmills Square 2 Flutes 3 Flutes 4 Flutes 6 Flutes 8 Flutes Radius Ballnose DLC SUMIDIA Coat Long Neck Uncoated CBN PCD I64