Solid Carbide Endmills G550 - Long Neck Square Type - 2F 鎢鋼平銑刀 - 長頸型 - 2 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. . Toughness and reduction of vibration. . Available in various cut lengths. . Suitable for deep cutting application. Dia. CL EFF-L OAL Shank Flutes Order No. (d) (L1) (L2) (L) (D) (F) EPSBC2 EPSRC2 EPSRC205016U 5.0 7.0 16 50 6 2 EPSRC205020U 5.0 7.0 20 60 6 2 EPSRC205025U 5.0 7.0 25 60 6 2 EPSRC205030U 5.0 7.0 30 60 6 2 EPSRC205035U 5.0 7.0 35 75 6 2 EPSRC206020U 6.0 10.0 20 60 6 2 d EPSRC206030U 6.0 10.0 30 75 6 2 EPSRC208020U 8.0 15.0 20 60 8 2 L1 EPSRC208030U 8.0 15.0 30 75 8 2 EPSRC208040U 8.0 15.0 40 100 8 2 L2 EPSRC210025U 10.0 20.0 25 75 10 2 EPSRC210035U 10.0 20.0 35 75 10 2 EPSRC210045U 10.0 20.0 45 100 10 2 EPSRC212030U 12.0 25.0 30 75 12 2 L EPSRC212040U 12.0 25.0 40 100 12 2 15° EPSRC212050U 12.0 25.0 50 100 12 2 D 30° Cutting conditions ( 建議切削參數表 ) : Table 034 ~ 036 d Tolerance Ø 0 ~ -0.02 A081