Solid Carbide Endmills G550 - Long Shank Square Type - 4F 鎢鋼平銑刀 - 長柄型 - 4 刃 . 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. . Flat design to avoid chipping of the cutting tip. EPSEC4 Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) EPSKC4 EPSLC4 EPSEC403000U 3.0 8 75 4 4 EPSKC403000U 3.0 8 100 4 4 EPSNC4 EPSJC404000U 4.0 10 60 4 4 EPSEC404000U 4.0 10 75 4 4 EPSKC404000U 4.0 10 100 4 4 EPSMC404000U 4.0 10 60 6 4 d EPSLC404000U 4.0 10 75 6 4 EPSNC404000U 4.0 10 100 6 4 EPSMC406000U 6.0 15 60 6 4 L1 EPSLC406000U 6.0 15 75 6 4 EPSNC406000U 6.0 15 100 6 4 EPSMC408000U 8.0 20 75 8 4 EPSLC408000U 8.0 20 100 8 4 EPSNC408000U 8.0 20 150 8 4 L EPSLC410000U 10.0 25 100 10 4 EPSNC410000U 10.0 25 150 10 4 EPSLC412000U 12.0 30 100 12 4 EPSNC412000U 12.0 30 150 12 4 EPSLC416000U 16.0 40 150 16 4 EPSLC420000U 20.0 40 150 20 4 D 30° Cutting conditions ( 建議切削參數表 ) : Table 032 d Tolerance Ø < 3 0 ~ -0.03 3 ≦ Ø ≦ 10 0 ~ -0.04 Ø > 10 0 ~ -0.05 A074