TCT blades, or tungsten carbide-tipped blades, are used for cutting a variety of materials, including wood, plastic, aluminum, and metal:WoodworkingTCT blades are a staple for both professionals and DIY enthusiasts, and are ideal for making precise cuts in hardwood, softwood, plywood, and MDF.Metal cuttingTCT blades can cut non-ferrous metals like aluminum, brass, and copper. They can also cut tougher materials like steel when paired with the right saw.ConstructionTCT blades are versatile and can cut through a variety of building materials, including framing lumber and metal studs.TCT blades are favoured by professionals because they are accurate, precise, and can cut quickly and safely. They are also re-sharpenable and have a long life.