Solid Carbide EndmillsMilling Solid Carbide Endmills G550 - Long Neck ∙ 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, Copper, FRP, 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 EPSRC404010U 4.0 4.0 10 50 6 4 EPSRC404012U 4.0 4.0 12 50 6 4 EPSRC404016U 4.0 4.0 16 50 6 4 P M K N S H EPSRC404020U 4.0 4.0 20 60 6 4 ● ● ● ○ EPSRC404025U 4.0 4.0 25 60 6 4 EPSRC404030U 4.0 4.0 30 75 6 4 d EPSRC405016U 5.0 5.0 16 50 6 4 L1 EPSRC405020U 5.0 5.0 20 60 6 4 EPSRC405025U 5.0 5.0 25 60 6 4 L2 EPSRC405030U 5.0 5.0 30 75 6 4 EPSRC406020U 6.0 6.0 20 60 6 4 EPSRC406030U 6.0 6.0 30 75 6 4 EPSRC408020U 8.0 15.0 20 60 8 4 EPSRC408030U 8.0 15.0 30 75 8 4 L 15° EPSRC408040U 8.0 15.0 40 100 8 4 EPSRC410025U 10.0 20.0 25 75 10 4 EPSRC410035U 10.0 20.0 35 100 10 4 EPSRC410045U 10.0 20.0 45 100 10 4 EPSRC412030U 12.0 25.0 30 75 12 4 EPSRC412040U 12.0 25.0 40 100 12 4 EPSRC412050U 12.0 25.0 50 100 12 4 D (h6) Cutting conditions : Table 052 ~ 053 d Tolerance d≤6 0 ~ -0.02 6 < d ≤ 12 0 ~ -0.03 d > 12 0 ~ -0.04 A116