mark wrote:
Like most on here I've got lots of spanners.
Sticking with metric sizes, I've noticed that the majority of my spanner
work is with 10mm and 13mm sizes which corresponds to M6/M8.


So what are the other ones for in spanner sets, ie., 9mm, 11mm, 12mm, 14mm
and so on. Are they just there to make the numbers up or make it harder to
find the one you want?

Isn't the standard size for M8 14mm?

I find the most frequently used sizes (across flats) are 8mm, 10mm,
12mm, 13mm, 14mm and 17mm.

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Chris Green
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