Solid Carbide Endmills G550 - Long Neck ∙ Ball Nose ∙ 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, Copper, FRP, etc. .Reduce vibration and more toughness. .It provides an excellent surface due to better surface grindings. .Long neck design is suitable for rid cutting. Order No. Radius Dia.(R)(d)CL EFF-L OAL Shank Flutes(L1)(L2)(L)(D)(F) EPBRC * EPBRC240301U 0.15R 0.3 0.3 1 50 4 2 * EPBRC240302U 0.15R 0.3 0.3 2 50 4 2 * EPBRC240303U 0.15R 0.3 0.3 3 50 4 2 P M K N S H * EPBRC240401U 0.20R 0.4 0.4 1 50 4 2 ● ● ● ○ * EPBRC240402U 0.20R 0.4 0.4 2 50 4 2 * EPBRC240403U 0.20R 0.4 0.4 3 50 4 2 d R * EPBRC240404U 0.20R 0.4 0.4 4 50 4 2 L1 * EPBRC240405U 0.20R 0.4 0.4 5 50 4 2 * EPBRC240406U 0.20R 0.4 0.4 6 50 4 2 L2 * EPBRC240408U 0.20R 0.4 0.4 8 50 4 2 * EPBRC240501U 0.25R 0.5 0.5 1 50 4 2 * EPBRC240502U 0.25R 0.5 0.5 2 50 4 2 * EPBRC240503U 0.25R 0.5 0.5 3 50 4 2 * EPBRC240504U 0.25R 0.5 0.5 4 50 4 2 L 15° * EPBRC240505U 0.25R 0.5 0.5 5 50 4 2 * EPBRC240506U 0.25R 0.5 0.5 6 50 4 2 * EPBRC240508U 0.25R 0.5 0.5 8 50 4 2 * EPBRC240510U 0.25R 0.5 0.5 10 50 4 2 * EPBRC240601U 0.30R 0.6 0.6 1 50 4 2 * EPBRC240602U 0.30R 0.6 0.6 2 50 4 2 * EPBRC240603U 0.30R 0.6 0.6 3 50 4 2 * EPBRC240604U 0.30R 0.6 0.6 4 50 4 2 D(h6) * EPBRC240605U 0.30R 0.6 0.6 5 50 4 2 * EPBRC240606U 0.30R 0.6 0.6 6 50 4 2 * EPBRC240608U 0.30R 0.6 0.6 8 50 4 2 * EPBRC240610U 0.30R 0.6 0.6 10 50 4 2 * EPBRC240612U 0.30R 0.6 0.6 12 50 4 2 Cutting conditions : Table 054 ~ 056 R Tolerance R≤3 ±0.015 R>3 ±0.020 A117