Solid Carbide EndmillsMilling Solid Carbide Endmills H680 Series for high precision milling (Hardened steel HRC 40~68) Ultra grain carbide rods with better abrasion resistance. Use SICO-TH coating with anti-high temperature & anti-oxidation. Special geometry design, suitable for high hardened working materials. Comparable to Europe, America, Japan’s tolerance with high precision and high performance on Finishing working situation. Long Tool life tools reduce tool costs and working cost effectively. Features ‧High Precision ‧High Speed ‧High Hardness A016