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tap and die do not fit together Answered

Hi...this is also posted in the "community" forum, sorry for the duplication. For the bolt/nuts I have that are cross threaded or damaged I bought a tap/die set. Then I dropped it on the floor and it's all jumbled up. And the sizes on the taps/dies are very small....hard to see. So I thought I'd match them up by fitting them together but none of them fit together (die/tap). I'm curious, shouldn't they fit together?

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Toga_Dan (author)2014-12-10

Yeah. I used to know why- back when I worked in machine shops.

The right cross section diagram would probably explain it better than words. haven't found that pic yet, though.

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Downunder35m (author)2014-12-08

Nope, that is why they are marked with the sizes and thread pitch if other than standard.

If you bought an unmarked set you might want to return it.

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user
Downunder35m (author)2014-12-08

Nope, that is why they are marked with the sizes and thread pitch if other than standard.

If you bought an unmarked set you might want to return it.

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