Solid Carbide Endmills H700 - Low Helix & Short Flute Ball Nose Type - 2F 鎢鋼球型銑刀 - 低導短刃型 - 2 刃 . SICO Nano coating provides a superior wear and heat resistance. . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . Due to short cutting length it provides an excellent surface roughness of the work pieces. . Low helix design is suitable for hardened steel cutting. . The coating can change to TOP ARCO, the prices will differ. Radius Dia. CL EFF-L OAL Shank Flutes Order No. (R) (d) (L1) (L2) (L) (D) (F) EHBPS2 EHBUS2 EHBPS201000S 0.50R 1.0 1.0 2 50 4 2 EHBPS201500S 0.75R 1.5 1.5 3 50 4 2 EHBUS202000S 1.00R 2.0 2.0 4 50 6 2 EHBUS203000S 1.50R 3.0 3.0 6 50 6 2 EHBUS204000S 2.00R 4.0 4.0 8 50 6 2 EHBUS205000S 2.50R 5.0 5.0 10 50 6 2 R EHBUS206000S 3.00R 6.0 6.0 12 50 6 2 EHBUS208000S 4.00R 8.0 8.0 16 60 8 2 L1 EHBUS210000S 5.00R 10.0 10.0 20 75 10 2 L2 EHBUS212000S 6.00R 12.0 12.0 24 75 12 2 EHBUS216000S 8.00R 16.0 16.0 32 100 16 2 L D 65 Cutting conditions ( 建議切削參數表 ) : Table 003 d R Tolerance Ø ≦ 12 ± 0.01 Ø > 12 ± 0.015 A010