Solid Carbide Endmills H650 - Square Type - 4F 鎢鋼平銑刀 - 標準型 - 4 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 helix angle on side milling with good surface and long tool life. . UMG Carbide with Incredible toughness and wear resistance at hi speeds. . The coating can change to SICO, the prices will differ. Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) EHSFA4 EHSSA4 EHSFA401000A 1 3 50 4 4 EHSFA402000A 2 5 50 4 4 EHSFA403000A 3 8 50 4 4 EHSFA404000A 4 10 50 4 4 EHSSA403000A 3 8 50 6 4 EHSSA404000A 4 10 50 6 4 d EHSSA405000A 5 13 50 6 4 EHSSA406000A 6 15 50 6 4 EHSSA408000A 8 20 60 8 4 L1 EHSSA410000A 10 25 75 10 4 EHSSA412000A 12 30 75 12 4 EHSSA416000A 16 35 100 16 4 EHSSA420000A 20 45 100 20 4 L D 65 Cutting conditions ( 建議切削參數表 ) : Table 009 d Tolerance Ø ≦ 12 0 ~ -0.02 Ø > 12 0 ~ -0.03 A023