There are three types of cut shape to our tungsten carbide burrs for dremel:Single cut,double cut,coarse cut(aluminum cut).It is better to choose suitable cut shape when using,like this,the burrs could be with longest service life.
Below is the simple introduction about the advantages of different cut shapes:
1) Single cut of carbide burrs: It is sharper when used,and the processed metal is silky.
2) Double cut of carbide burrs:The effect of heat dissipation is good,and the processed metal is granular,which is safer.
3) Coarse cut(Aluminum cut) of carbide burrs: It is used for grinding soft non-ferrous metals such as aluminum and copper.