... . Material: high speed steel 2. Application: used for cutting aluminum. 3. Cheaper than the solid carbide ones. Specification:1. ... such as foam, bubble, resins, Styrofoam, plastic, hibiscus board, aluminum panels, steel doors, soft wood, acrylic, etc., and copper ... , aluminum, stainless steel, aluminum alloy and other nonferrous metals as well as 45 degrees ...