I'm looking for a weld stud with M3-M4-M5 configurations to use in a sheet metal part.

I found this one on 3D content central, though it's exactly what I'm looking for,

but unfortunately I wasn't able to add the configurations I need.

http://www.3dcontentcentral.com/secure/download-model.aspx?catalogid=171&id=91444

Any kind of help is much appreciated.