Solid Carbide Endmills H650 - Taper Neck Ball Nose Type - 2F 鎢鋼球型銑刀 - 斜頸型 - 2 刃 . ARCO coating provides a superior wear resistance. Solid Carbide Endmills . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . High strength of taper neck, can cut deep grooves without breaking. . Suitable for cutting groves at hi speed. . The coating can change to SICO, the prices will differ. Radius Dia. θ˚ CL EFF-L NL OAL Shank Flutes Order No. (R) (d) (L1) (L2) (d2) (L) (D) (F) EHBRT2 EHBRT201023AA 0.5R 1 1.5° 2 23 2.20 60 6 2 EHBRT202023AA 1.0R 2 1.5° 4 23 3.00 60 6 2 EHBRT2020423A 1.0R 2 3.0° 4 42 5.98 100 8 2 EHBRT203052AA 1.5R 3 1.5° 6 52 5.40 100 6 2 EHBRT2030473A 1.5R 3 3.0° 6 47 7.29 100 8 2 EHBRT204046AA 2.0R 4 1.5° 8 46 6.00 100 6 2 R EHBRT2040383A 2.0R 4 3.0° 8 38 7.14 100 8 2 L1 EHBRT2050283A 2.5R 5 3.0° 10 28 6.88 100 8 2 EHBRT2060383A 3.0R 6 3.0° 12 38 8.72 100 10 2 EHBRT2080383A 4.0R 8 3.0° 16 38 10.30 100 12 2 L2 EHBRT2100573A 5.0R 10 3.0° 20 57 13.88 100 16 2 EHBRT2120383A 6.0R 12 3.0° 24 38 13.47 100 16 2 θ° d2 L D 65 Cutting conditions ( 建議切削參數表 ) : Table 020 d R Tolerance Ø ± 0.02 A043