Feature:1. 40CR ALLOY STEEL: The face mill tool holder is made of 40Cr alloy steel, with high hardness, good toughness, wear and corrosion resistance, and long service life.2. WITH COATING: The alloy steel milling cutter surface adopts new coating process, has good oxidation and high temperature resistance, and prolongs the service life.3. GOOD PERFORMANCE: With fine processing, the face milling cutter holder has high strength and strong shock resistance, which is efficient and reliable in operation.4. WIDE APPLICATION: This coated milling holder is for planning, grooving and cutting workpieces on milling machines, for all kinds of metal processing, has a wide range of applications.Specification: Item Type: Face Mill Tool HolderModel: MT3 FMB22(M12)Material: 40Cr Alloy SteelUsage: For metal processing Package List: 1 x Tool Holder 1 x Storage Box Note: After the blade is used up, wipe the oil to prevent rust and put it in a place where it will not fall.