step by step tutorials on drawing metric thread for example M10x1.5 thread

https://grabcad.com/questions/how-to-model-bolt-with-terminating-thread-in-solidworks
This tutorial gets you 90% of the way to a good thread. The only missing information are the actual dimensions you'll need for the major and minor diameters, These can be found online and in books like the machinery handbook.
This source is for unified standard threads, but it will give you are idea of what to look for. If you can create a unified thread, the metric ones work the same way! http://theoreticalmachinist.com/Threads_UnifiedImperial.aspx