Answer:
High speed cutting steel tool are commonly used steel tool for cutting the tool materials. It is basically used in condition when the material looses its hardness and it is a subset of tool steel. It is majorly used in power saw blades.
There are mainly two types of high speed steel cutting tools are:
1) Tungsten type: This type of tool are basically designed for T grades. Tungsten maintains the efficiency and properties in the high temperature. It is denoted by T1.
2) Molybdenum type: This type of tool are designed for M grade and it is widely use in industries. Molybdenum high speed steel are better in certain cases as compared to tungsten type.