Cracking deal: it's for nuts and bolts (7)

I believe the answer is:

details

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'nuts and bolts' is the definition.
Both the answer and definition are plural nouns.
Maybe you can see an association between them that I don't see?

'cracking deal it's' is the wordplay.
'cracking' indicates an anagram.
'deal'+'its'='dealits'
'dealits' anagrammed gives 'DETAILS'.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for details that I've seen before include "Small features" , "Minutiae" , "Particulars, small parts" .)

I've seen this clue in The Sun.

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