almost too tall, but cutting down the center post customizes it to your preference
Yes. Even though I purchased an 8" grinder, the base has slots to accommodate any multiple of tools.
Yes. That's the grinder I mounted on this stand.
Yes it should as the top plate has slots to accommodate various equipment for mounting.
The bolt hols are actually long slots, so there is a wide variance allowed. The centered ones will accommodate about 5"-9"
not sure its very heavy though
dont know but wide enough for a 1/2 bolt, may even want a backup washer.