Solid Carbide Endmills G550 - Long Neck Corner Radius Type - 4F 鎢鋼圓鼻銑刀 - 長頸型 - 4 刃 . UNICO Coating provides superior wear resistance and reduces the coefficient of friction. Solid Carbide Endmills . Suitable for HRC 30 to HRC 55 Ordinary Steel, Alloy Steel, Cast Iron, Heat-Resistant Steel, etc. . Multiple flutes and ling neck design provides better surface in deep cutting. . Available in various cut lengths. Corner Dia. CL EFF-L OAL Shank Flutes Order No. Radius (d) (L1) (L2) (L) (D) (F) EPCBC4 (R) EPCRC4 EPCBC40250110U 2.5 0.1R 2.5 10 50 4 4 EPCBC40250116U 2.5 0.1R 2.5 16 50 4 4 EPCBC40250120U 2.5 0.1R 2.5 20 50 4 4 EPCBC40250125U 2.5 0.1R 2.5 25 60 4 4 EPCBC40250210U 2.5 0.2R 2.5 10 50 4 4 EPCBC40250216U 2.5 0.2R 2.5 16 50 4 4 d R EPCBC40250220U 2.5 0.2R 2.5 20 50 4 4 EPCBC40250225U 2.5 0.2R 2.5 25 60 4 4 L1 EPCBC40250310U 2.5 0.3R 2.5 10 50 4 4 EPCBC40250316U 2.5 0.3R 2.5 16 50 4 4 L2 EPCBC40250320U 2.5 0.3R 2.5 20 50 4 4 EPCBC40250325U 2.5 0.3R 2.5 25 60 4 4 EPCBC40250510U 2.5 0.5R 2.5 10 50 4 4 EPCBC40250516U 2.5 0.5R 2.5 16 50 4 4 L EPCBC40250520U 2.5 0.5R 2.5 20 50 4 4 15° EPCBC40250525U 2.5 0.5R 2.5 25 60 4 4 D Cutting conditions ( 建議切削參數表 ) : Table 053 d Tolerance Ø 0 ~ 0.02 R ± 0.02 A111