the nuts and bolts

the nuts and bolts

The most basic, fundamental, or essential aspects of something. Japanese is intimidating because of the written characters, but the nuts and bolts of the language are actually pretty straightforward. We came up with a lot of big ideas, but no one addressed the nuts and bolts of how to implement them.
See also: and, bolt, nuts
Farlex Dictionary of Idioms.

nuts and bolts

 
1. Fig. the mundane workings of something; the basics of something. (See also get down to the nuts and bolts.) I want you to learn how to write well. You have to know the nuts and bolts of writing. She's got a lot of good, general ideas, but when it comes to the nuts and bolts of getting something done, she's no good.
2. Sl. the subject of psychology in college. I took a class in nuts and bolts and didn't learn anything at all about what makes me tick. Tom is flunking nuts and bolts because he won't participate in the required "experiments."
See also: and, bolt, nuts
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

nuts and bolts, the

The essential or basic aspects of something, as in They have lofty goals but don't specify the nuts and bolts of how to achieve them. This expression alludes to basic working components of machinery. [Mid-1900s]
See also: and, nuts
The American Heritage® Dictionary of Idioms by Christine Ammer.

the nuts and bolts of something

COMMON The nuts and bolts of something are the detailed, practical facts about it, and not just ideas or thoughts about it. Tonight, the prize-winning author will discuss the nuts and bolts of the writer's craft. Note: You can also use nuts-and-bolts before a noun. It is very much a nuts-and-bolts guide for the serious gardener. I'm a nuts-and-bolts politician. I always have been.
See also: and, bolt, nuts, of, something
Collins COBUILD Idioms Dictionary, 3rd ed.

nuts and bolts

the basic practical details of something. informal
See also: and, bolt, nuts
Farlex Partner Idioms Dictionary

the nuts and ˈbolts (of something)

(informal) the most important and practical details of something: Jim put together the nuts and bolts of the deal; I added the details. He worked there long enough to learn the nuts and bolts of the business.
Nuts and bolts are small pieces of metal that are screwed together to fasten things together.
See also: and, bolt, nuts
Farlex Partner Idioms Dictionary

nuts and bolts

1. n. the mundane workings of something; the basics of something. She’s got a lot of good, general ideas, but when it comes to the nuts and bolts of getting something done, she’s no good.
2. n. the subject of psychology in college. Tom is flunking nuts and bolts because he won’t participate in the required “experiments.”
See also: and, bolt, nuts
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

nuts and bolts, the

The essential components of something. This allusion to basic machine parts, dating only from the mid-twentieth century, is mildly puzzling. Why nuts and bolts rather than nuts and screws, for example, or even wheels and gears? Whatever the ultimate reason, it is these two items that caught on. T. E. Allbeury used it in A Choice of Enemies (1973), “That’s pretty well a nuts and bolts area for us. We know it inside out.”
See also: and, nuts
The Dictionary of Clichés by Christine Ammer
See also:
  • nuts and bolts
  • nuts and bolts, the
  • the nuts and bolts of something
  • get down to the nuts and bolts
  • rust up
  • for nuts
  • bust (one's) nuts
  • bust nuts
  • bust one’s nuts
  • bust one’s nuts to do something
References in periodicals archive
The line from which the nuts and bolts were stolen was brand new.
Some analysts said that if the thieves were interested in the nuts and bolts and not sabotage, they would have tackled every third or fourth bolt and not an entire string that would unmoor a length of track.
When all the nuts and bolts remaining in a set have been used, any remaining construction components are useless, and vice versa.