Item Type: Face Mill Tool Holder Material: 40cr Alloy Steel Usage: For Metal Processing Package List 1 x Face Mill Tool Holder 1 x Screw 1 x Storage Box Wipe with oil after the tool holder is used to prevent rust, put it in a place where it will not fall. 140cr Alloy Steel Made: The tool holder is made of 40cr material, with high hardness, reducing wear and tear, sturdy and durable, stable in performance 2New Coating Process: The surface of the tool holder adopts a new coating process, which has good oxidation resistance and high temperature resistance 3Refined Machining: The cutter holder is high demand machined, has high strength, strong shock resistance, higher machining efficiency, and longer life 4Equipped with Storage Box: The milling holder is equipped with a storage box, which is easy to store and carry, and is not easy to be damaged 5Wide Usage: This face milling shank is mainly used in CNC machining center, CNC engraving machine, and can also be installed on ordinary milling machines to process some harder and less complex heat treated materials