Solid Carbide Endmills G550 - Long Neck Ball Nose Type - 2F 鎢鋼球型銑刀 - 長頸型 - 2 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, 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. Radius Dia. CL EFF-L OAL Shank Flutes Order No. (R) (d) (L1) (L2) (L) (D) (F) EPBBC2 EPBRC2 EPBBC200301U 0.15R 0.3 0.3 1 50 4 2 EPBBC200302U 0.15R 0.3 0.3 2 50 4 2 EPBBC200303U 0.15R 0.3 0.3 3 50 4 2 EPBBC200401U 0.20R 0.4 0.4 1 50 4 2 EPBBC200402U 0.20R 0.4 0.4 2 50 4 2 EPBBC200403U 0.20R 0.4 0.4 3 50 4 2 d R EPBBC200404U 0.20R 0.4 0.4 4 50 4 2 EPBBC200405U 0.20R 0.4 0.4 5 50 4 2 L1 EPBBC200406U 0.20R 0.4 0.4 6 50 4 2 EPBBC200408U 0.20R 0.4 0.4 8 50 4 2 L2 EPBBC200501U 0.25R 0.5 0.5 1 50 4 2 EPBBC200502U 0.25R 0.5 0.5 2 50 4 2 EPBBC200503U 0.25R 0.5 0.5 3 50 4 2 EPBBC200504U 0.25R 0.5 0.5 4 50 4 2 L EPBBC200505U 0.25R 0.5 0.5 5 50 4 2 15° EPBBC200506U 0.25R 0.5 0.5 6 50 4 2 EPBBC200508U 0.25R 0.5 0.5 8 50 4 2 EPBBC200510U 0.25R 0.5 0.5 10 50 4 2 EPBBC200601U 0.30R 0.6 0.6 1 50 4 2 EPBBC200602U 0.30R 0.6 0.6 2 50 4 2 EPBBC200603U 0.30R 0.6 0.6 3 50 4 2 EPBBC200604U 0.30R 0.6 0.6 4 50 4 2 D EPBBC200605U 0.30R 0.6 0.6 5 50 4 2 EPBBC200606U 0.30R 0.6 0.6 6 50 4 2 EPBBC200608U 0.30R 0.6 0.6 8 50 4 2 EPBBC200610U 0.30R 0.6 0.6 10 50 4 2 EPBBC200612U 0.30R 0.6 0.6 12 50 4 2 Cutting conditions ( 建議切削參數表 ) : Table 044 ~ 046 d R Tolerance Ø ± 0.02 A092