On 12/19/08 3:46 AM, in article
, "Novice"
wrote:

Hi, recently I was given a set of taps and dies of special kind. As there
a
M 1,5 x 0,35
M 2 x 0,45
M2,5 x 0,45
M 3 x 0,6
M 4 x 0,75
M5 x 0,9
Does anyone out there in the metric world know where those strange sizes
are (were) used for??

Novice


Some of these are listed as "french" in the Metric & Multistandard Catalog.
Did they come from a bicycle shop?

Wavejumper