Solid Carbide Endmills EUROS - High Feed Square Type - 4F 鎢鋼平銑刀 - 高進給倒角型 - 4 刃 . Unico coating provides a superior wear and heat resistance. . Honing & chamfering at the cutting edge geometries for high feed milling. . Outstanding results for HRC 30 to HRC 55 steel, such as Alloy steel,cast Iron ...etc. . Achieve long tool life, perfect surfaces and considerable reduction of machining time. Dia. CL OAL Shank Flutes Order No. 45° (d) (L1) (L) (D) (F) EUSFA4 EUSSA4 EUSSA403000U 3.0 8 50 6 0.10 4 EUSSA404000U 4.0 10 50 6 0.10 4 EUSSA405000U 5.0 13 50 6 0.15 4 EUSSA406000U 6.0 15 50 6 0.15 4 EUSSA408000U 8.0 20 60 8 0.15 4 EUSSA410000U 10.0 25 75 10 0.20 4 d EUSSA412000U 12.0 30 75 12 0.20 4 EUSSA416000U 16.0 35 100 16 0.20 4 L1 L D Feed recommend table Dia Fz d Tolerance (mm) (mm) Ø < 3 0 ~ -0.02 4 0.006 ~ 0.1 3 ≦ Ø ≦ 10 0 ~ -0.03 6 0.009 ~ 0.15 Ø > 10 0 ~ -0.04 10 0.15 ~ 0.25 ap = 1.5D ae = 0.1D A062