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I don't find this a problem really. I think the trick is to make a couple of prototypes to work out the sequences - and the measurements. Also you can stiffen up and protect a "thin" threaded area with an external thread by having a short threaded sleeve to put on while you do the internal thread. I have so far used 12mm for body and cap and 9mm for the section to body and using a sleeve works well. You could do the same with the section while threading for the feed but I haven't found this much of a problem - I think it's because the 6.4mm (Bock) for the feed isn't located in line with the 9mm outside thread - if you follow! Suck it and see is the answer! Lots of info on the IAP library, by the way.

I could be tempted by 10mm triple start to add to my collection of taps and dies - for slimmer pens.

<blockquote data-quote="davidj44" data-source="post: 212045" data-attributes="member: 211">I don&#039;t find this a problem really. I think the trick is to make a couple of prototypes to work out the sequences - and the measurements. Also you can stiffen up and protect a &quot;thin&quot; threaded area with an external thread by having a short threaded sleeve to put on while you do the internal thread. I have so far used 12mm for body and cap and 9mm for the section to body and using a sleeve works well. You could do the same with the section while threading for the feed but I haven&#039;t found this much of a problem - I think it&#039;s because the 6.4mm (Bock) for the feed isn&#039;t located in line with the 9mm outside thread - if you follow! Suck it and see is the answer!<img src="http://www.penturners.co.uk/images/smilies/18/thumbs.gif"&nbsp; class="smilie" loading="lazy" alt=":thumbs:" title="Thumbs&nbsp; &nbsp; :thumbs:" data-shortname=":thumbs:" /> Lots of info on the IAP library, by the way.I could be tempted by 10mm triple start to add to my collection of taps and dies - for slimmer pens. <img src="http://www.penturners.co.uk/images/smilies/18/thinker.gif"&nbsp; class="smilie" loading="lazy" alt=":thinks:" title="Thinker&nbsp; &nbsp; :thinks:" data-shortname=":thinks:" /></blockquote>

[QUOTE="davidj44, post: 212045, member: 211"] I don't find this a problem really. I think the trick is to make a couple of prototypes to work out the sequences - and the measurements. Also you can stiffen up and protect a "thin" threaded area with an external thread by having a short threaded sleeve to put on while you do the internal thread. I have so far used 12mm for body and cap and 9mm for the section to body and using a sleeve works well. You could do the same with the section while threading for the feed but I haven't found this much of a problem - I think it's because the 6.4mm (Bock) for the feed isn't located in line with the 9mm outside thread - if you follow! Suck it and see is the answer!:thumbs: Lots of info on the IAP library, by the way. I could be tempted by 10mm triple start to add to my collection of taps and dies - for slimmer pens. :thinks: [/QUOTE]

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