Solid Carbide Endmills M500 - High Helix Anti-Vibration Square U Type - 4F 鎢鋼平銑刀 - 高導抗震高效能 U 型 - 4 刃 . ARCO coating provides a superior wear resistance. . For difficult to cut materials like Stainless Steel, Titanium, Inconel, Alloy Steel & Mold Steel... etc. . U-flute design with high chips volume space and easy to remove chips. . UMG carbide grade is suitable for cutting difficult materials. Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) ESSSM4 ESSSM408000A 8 20 60 8 4 ESSSM410000A 10 30 75 10 4 ESSSM412000A 12 30 75 12 4 ESSSM416000A 16 32 100 16 4 d L1 L D 50 d Tolerance Ø ≦ 12 0 ~ -0.02 Ø > 12 0 ~ -0.03 A130