Hardness: HRC55° (hardened parts can be processed). Applicable materials: stainless steel, alloy steel, tool steel and other materials, and can be processed hardened parts. CNC, machining center, engraving machine and other high-speed CNC milling machines. Suitable for materials within HRC55 degrees, such as iron, carbon steel, cast iron, and die steel.Alloy steel, tool steel, heat-treated steel, welding repair steel. It is not recommended to process materials: aluminum, aluminum alloy, non-ferrous metals and other materials. Materials that cannot be processed: sandy materials such as stone, cement, etc. This item is in the category "Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Machining Centers & Milling Machines". The seller is "daniel8178" and is located in this country: CN. This item can be shipped worldwide.