Solid Carbide Endmills G450 - Square ∙ 4F .UNICO Coating provides superior wear resistance and reduces the coefficient of friction. .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. Order No. Dia. (d) CL(L1) OAL Shank Flutes(L)(D)(F) EPSSA * EPSSA441000U 1.0 3 50 4 4 * EPSSA441500U 1.5 4 50 4 4 * EPSSA442000U 2.0 5 50 4 4 P M K N S H * EPSSA442500U 2.5 6 50 4 4 ● ● ● * EPSSA443000U 3.0 8 50 4 4 EPSSA403000U 3.0 8 50 6 4 d * EPSSA444000U 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 40 100 16 4 EPSSA420000U 20.0 45 100 20 4 EPSSA425000U 25.0 45 100 25 4 D (h6) Cutting conditions : Table 026 d Tolerance d≤6 0 ~ -0.02 6 < d ≤ 12 0 ~ -0.03 d > 12 0 ~ -0.04 A141