"Novice" wrote in message
. ..
I believe they came from an army dump.
Nothing to do with bicycles I think.
From an other source I heard them indeed mentioned as "cycle thread" but I
have never seen M 1,5 on an bike.

Novice


"Wave Jumper" schreef in bericht
...
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




Have a look at this site. it may have them
http://www.gewinde-normen.de/en/cei-thread.html