Solid Carbide Endmills G550 - Long Neck ∙ Square ∙ 2F .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. .Toughness and reduction of vibration. .Available in various cut lengths. .Suitable for deep cutting application. Order No. Dia. CL EFF-L OAL Shank Flutes(d)(L1)(L2)(L)(D)(F) EPSRC EPSRC205016U 5.0 7.0 16 50 6 2 EPSRC205020U 5.0 7.0 20 60 6 2 EPSRC205025U 5.0 7.0 25 60 6 2 P M K N S H EPSRC205030U 5.0 7.0 30 75 6 2 ● ● ● ○ EPSRC205035U 5.0 7.0 35 75 6 2 EPSRC206020U 6.0 10.0 20 60 6 2 d EPSRC206030U 6.0 10.0 30 75 6 2 L1 EPSRC208020U 8.0 15.0 20 60 8 2 EPSRC208030U 8.0 15.0 30 75 8 2 L2 EPSRC208040U 8.0 15.0 40 100 8 2 EPSRC210025U 10.0 20.0 25 75 10 2 EPSRC210035U 10.0 20.0 35 75 10 2 EPSRC210045U 10.0 20.0 45 100 10 2 EPSRC212030U 12.0 25.0 30 75 12 2 L 15° EPSRC212040U 12.0 25.0 40 100 12 2 EPSRC212050U 12.0 25.0 50 100 12 2 D (h6) Cutting conditions : Table 049 ~ 051 d Tolerance d≤6 0 ~ -0.02 6 < d ≤ 12 0 ~ -0.03 d > 12 0 ~ -0.04 A113