-------- Weitergeleitete Nachricht -------- Betreff: Re: [Emc-users] tap makers vs bolt makers Datum: Thu, 28 Jun 2018 00:06:52 +0200 Von: Peter Blodow <p.blo...@dreki.de> An: Gene Heskett <ghesk...@shentel.net> 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. Peter 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 by 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.
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