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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Non Vin - Car (Gasp!) related
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<blockquote data-quote="mr.hutch" data-source="post: 20971" data-attributes="member: 1424"><p>Interesting one this, Bruce,</p><p>in one of my books circa 1929, there are exotic threads described in great detail such as, French Standard System, USS Small and Whitworth Small etc., but the only one to have 30tpi, is The American Society of Mechanical Engineers, ( 60 degrees ), Number 10, with a nominal diameter of .190, tapping drill 24. I don't know if this is of any use, probably not, but it is interesting anyway.</p><p> </p><p>go carefully mr hutch</p></blockquote><p></p>
[QUOTE="mr.hutch, post: 20971, member: 1424"] Interesting one this, Bruce, in one of my books circa 1929, there are exotic threads described in great detail such as, French Standard System, USS Small and Whitworth Small etc., but the only one to have 30tpi, is The American Society of Mechanical Engineers, ( 60 degrees ), Number 10, with a nominal diameter of .190, tapping drill 24. I don't know if this is of any use, probably not, but it is interesting anyway. go carefully mr hutch [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Non Vin - Car (Gasp!) related
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