Solid Carbide Endmills G450 - Square Type - 4F 鎢鋼平銑刀 - 標準型 - 4 刃 . UNICO Coating provides superior wear resistance and reduces the coefficient of friction. Solid Carbide Endmills . Suitable for HRC 20 to HRC 45 Steel, Alloy Steel, Cast Iron, Aluminum Alloy (Si >15%). . Excellent cutting ability of cutting edges. . High precision cutting. . Positive Geometry design is suitable for better shearing. Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) EPSFA4 EPSSA4 EPSFA401000U 1.0 3 50 4 4 EPSFA401500U 1.5 4 50 4 4 EPSFA402000U 2.0 5 50 4 4 EPSFA402500U 2.5 6 50 4 4 EPSFA403000U 3.0 8 50 4 4 EPSSA403000U 3.0 8 50 6 4 d EPSFA404000U 4.0 10 50 4 4 EPSSA404000U 4.0 10 50 6 4 EPSSA405000U 5.0 13 50 6 4 L1 EPSSA406000U 6.0 15 50 6 4 EPSSA408000U 8.0 20 60 8 4 EPSSA410000U 10.0 25 75 10 4 EPSSA412000U 12.0 30 75 12 4 EPSSA414000U 14.0 30 75 14 4 L EPSSA416000U 16.0 35 100 16 4 EPSSA420000U 20.0 45 100 20 4 EPSSA425000U 25.0 45 100 25 4 D Cutting conditions ( 建議切削參數表 ) : Table 027 d Tolerance Ø < 3 0 ~ -0.02 3 ≦ Ø ≦ 10 0 ~ -0.03 Ø > 10 0 ~ -0.04 A121