Solid Carbide Endmills G550 - Ball Nose ∙ 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, Copper, FRP, etc. .It provides an excellent surface due to better surface grindings. .New tool geometry increases wear resistance and cutting force is decreased. .Multiple flutes design improves the cutting surface. Order No. Radius Dia.(R)(d) CL(L1) OAL Shank Flutes(L)(D)(F) EPBSC * EPBSC442000U 1.0R 2 4 50 4 4 * EPBSC443000U 1.5R 3 6 50 4 4 * EPBSC444000U 2.0R 4 8 50 4 4 P M K N S H EPBSC404000U 2.0R 4 8 50 6 4 ● ● ● ○ EPBSC405000U 2.5R 5 10 50 6 4 EPBSC406000U 3.0R 6 12 50 6 4 R EPBSC408000U 4.0R 8 16 60 8 4 EPBSC410000U 5.0R 10 20 75 10 4 EPBSC412000U 6.0R 12 24 75 12 4 L1 EPBSC416000U 8.0R 16 32 100 16 4 EPBSC420000U 10.0R 20 40 100 20 4 L D (h6) Cutting conditions : Table 036 R Tolerance R≤3 ±0.015 R>3 ±0.020 A091