The difference between Nitty-gritty and Nuts and bolts
When used as nouns, nitty-gritty means the essence or core of something, whereas nuts and bolts means the basic inner workings of something.
check bellow for the other definitions of Nitty-gritty and Nuts and bolts
-
Nitty-gritty as a noun (colloquial):
The essence or core of something; the details.
Examples:
"He gave a short summary without getting into the nitty-gritty of the problem."
-
Nuts and bolts as a noun (idiomatic):
The basic inner workings of something; the fundamentals; that which makes something operate.
Examples:
"It's really not so hard, once you know the nuts and bolts of the editing process."