Buy another whole kit Is that the best you can do
Sorry I do not know the diameter however, it is the same size as a shop vac hose and I believe a household vacuum. Hope this helps.
I’m not familiar with the DCV585B It works with shop vacs so, I’d imagine it will work
Yes, I have a 7” DEWALT grinder. I use it a lot
Not familiar with this tool, this is a standard sized attachment , same as a shop vac
If this helps, it is the same size as a shop vac
It is a standard sized hose just like shop vac