Solid Carbide Endmills G550 - Long Flute ∙ Square ∙ 4F .UNICO Coating provides superior wear resistance and reduces the coefficient of friction. .Suitable for HRC 30 to HRC 55 Ordinary Steel, Alloy Steel, Cast Iron, Heat-Resistant Steel, etc. .Available in various length of cut and overall length end mills. .Long cutting length is suitable for deep side milling. Order No. Dia.(d) CL(L1) OAL Shank Flutes(L)(D)(F) EPSCC EPSCC403000U 3 15 60 6 4 EPSCC404000U 4 20 60 6 4 EPSCC405000U 5 25 75 6 4 P M K N S H EPSCC406000U 6 30 75 6 4 ● ● ● ○ EPSCC408000U 8 35 100 8 4 EPSCC410000U 10 45 100 10 4 d EPSCC412000U 12 45 100 12 4 EPSCC414000U 14 70 150 14 4 EPSCC416000U 16 70 150 16 4 EPSCC420000U 20 75 150 20 4 L1 EPSCC425000U 25 75 150 25 4 L D (h6) Cutting conditions : Table 028 d Tolerance d≤6 0 ~ -0.03 6 < d ≤ 12 0 ~ -0.04 d > 12 0 ~ -0.05 A079