Solid Carbide Endmills G550 - Taper Neck Ball Nose Type - 2F 鎢鋼球型銑刀 - 斜頸型 - 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, etc. . Suitable for high performance profile milling. . High strength of taper neck, can cut deep grooves without breaking. Radius Dia. θ˚ CL EFF-L NL OAL Shank Flutes Order No. (R) (d) (L1) (L2) (d2) (L) (D) (F) EPBRT2 EPBRT201023AU 0.5R 1 1.5° 2 23 2.10 60 6 2 EPBRT2010235U 0.5R 1 5.0° 2 23 4.67 60 6 2 EPBRT2010423U 0.5R 1 3.0° 2 42 5.19 75 6 2 EPBRT202035HU 1.0R 2 0.5° 4 35 2.54 75 6 2 EPBRT2020351U 1.0R 2 1.0° 4 35 3.08 75 6 2 EPBRT202023AU 1.0R 2 1.5° 4 23 3.00 60 6 2 R EPBRT202035AU 1.0R 2 1.5° 4 35 3.62 75 6 2 L1 EPBRT2020235U 1.0R 2 5.0° 4 23 5.32 60 6 2 EPBRT2020413U 1.0R 2 3.0° 4 41 5.88 75 6 2 EPBRT203052AU 1.5R 3 1.5° 6 52 5.40 100 6 2 L2 EPBRT2030323U 1.5R 3 3.0° 6 32 5.73 75 6 2 EPBRT204046AU 2.0R 4 1.5° 8 46 6.00 100 6 2 θ° EPBRT2040273U 2.0R 4 3.0° 8 27 6.00 75 6 2 d2 L D Cutting conditions ( 建議切削參數表 ) : Table 047 d R Tolerance Ø ± 0.02 A098