On Wednesday 27 June 2018 18:06:52 Peter Blodow wrote: > Gene, > there are DIN threads that are printed in bold type in the DIN list, > the rest is not recommended fur use. Such include M2.3, M3.5, M4.5, > M7, M9, M11, M14 etc. Except for M3.5 which is widely used by > electricians for cable fasteners in plugs etc., they are not used by > industry and therefore the corresponding taps and thread cutters are > not included in standard sets. The French use M7 in car applications > but they are widely known for their queerness ;-) > The reason is that for those unusual sizes there are partially no > strength recommendations.
That seems odd. > Peter Thanks Peter. I'm of the opinion based on the evidence, that at the estate sale after I'm gone (if the missus outlives me and I don't get off my duff an write a will), they will still be new. Since I can't buy the bolt without learning french, the chances of needing to tap that size hole are somewhere to the right of .00000000000000squat. :) > Am 27.06.2018 um 23:47 schrieb Gene Heskett: > > Greetings all; > > > > As I work my way thru the smaller taps in some of my older tap kits, > > I'm finding a puzzle. I haven't been able, locally or online, to buy > > an odd sized metric bolt above the even numbered 6. But I sure have > > a pile of pristine, never been dirtied 7mmx1.0 and 9mmx1.25's in the > > tap box now. > > > > Is this a conspiracy, and if so whats the point? > > > > Puzzles indeed. > > > > Thanks all. -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users