Manufacture of mechanical tools

Title: Manufacture of mechanical tools Includes the manufacture of cutting blades for machines or mechanical devices, tools for machine tools (drills, punches, dies, milling cutters, etc.) and interchangeable for hand or mechanical tools. Does not include:  Manufacture of mechanical tools with motor for metals (28410);  Manufacture of mechanical tools with engines for other purposes (28420);  Repair of mechanical tools (33110);