Solid Carbide Endmills H650 - High Helix Square Type - 4F 鎢鋼平銑刀 - 高導型 - 4 刃 . ARCO coating provides a superior wear resistance. . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . UMG Carbide with Incredible toughness and wear resistance at hi speeds. . Good surface and long tool life. . The coating can change to SICO, the prices will differ. Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) EHSFH4 EHSSH4 EHSFH401000A 1.0 3 50 4 4 EHSFH401500A 1.5 4 50 4 4 EHSFH402000A 2.0 5 50 4 4 EHSFH402500A 2.5 6 50 4 4 EHSFH403000A 3.0 8 50 4 4 EHSFH404000A 4.0 10 50 4 4 d EHSSH404000A 4.0 10 50 6 4 EHSSH405000A 5.0 13 50 6 4 EHSSH406000A 6.0 15 50 6 4 L1 EHSSH408000A 8.0 20 60 8 4 EHSSH410000A 10.0 25 75 10 4 EHSSH412000A 12.0 30 75 12 4 EHSSH416000A 16.0 35 100 16 4 EHSSH420000A 20.0 45 100 20 4 L D 65 Cutting conditions ( 建議切削參數表 ) : Table 010 d Tolerance Ø ≦ 12 0 ~ -0.02 Ø > 12 0 ~ -0.03 A024