These are very high quality industrial carbide tipped saw blades for cutting non-ferrous materials such as aluminum, brass, and copper. They can be used on all woodworking machines at high speed. It is a good idea to use a lubricant such as a wax stick when using any non-ferrous saw blades. Product Name: 190mm 60t Cut TCT Circular Saw Blade Cutting application: aluminum, copper, plastic, non-ferrous metal Diameter: 190mm Teeth number: 60t Arbor size: 30mm Blade thickness: 1.6mm Plate material: 65Mn Body tech: Laser cut Cutting kerf: 2.4mm Carbide tip code: K20 Tooth Geometry: TCG Hook angle: -5 Maximum speed: 8000rpm./min Quality level: Standard quality