Not enough of these objects was/were?

Is "Not enough of these objects were available" correct, or should it be "was available"? I think the former sounds correct, but if I omit "of these objects" then I tend towards "was".

In general, "enough" is used countably with countable objects and uncountably with uncountable objects.

Are there enough teaspoons?

Is there enough sugar?

Examples

1.

Q: Do we have a sufficient amount of cement?

A: Yes, there is enough for the whole patio.

2.

Q: There are lots of people coming. How are we for wineglasses?

A: There are enough to go around.

Note

You may occasionally see an apparent exception but this can be explained by the underlying grammar.