Having had a bit of a mooch about on Ebay, I noticed these things.
http://www.ebay.co.uk/itm/6mm-to-3-175mm-1-8-Precision-Engraving-Bit-CNC-Router-Tool-Adapter-for-Collet/321838391794?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D37123%26meid%3D329ed4f3b92746bba7a7a8a7ccb9ae3f%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D111482085495
or these
http://www.ebay.co.uk/itm/5PCS-6mm-...552783?hash=item3d1d6af0cf:g:VKIAAOSwOVpXYsCh
These are available from other places other than China, but at about twice the price at least, so the choice would be yours.
Now if they turned out to be accurate, a very simple collet system could be made up to hold them and because they have a shoulder to work to, then all you would need is a length setting gauge for your cutting tools (maybe a tiny bit of loctite to hold them in place, easily removed with a gentle tap) and bingo, easy change system with tools ready set to length.
I will be looking at these for my system at a later date.
Hope this helps
John
http://www.ebay.co.uk/itm/6mm-to-3-175mm-1-8-Precision-Engraving-Bit-CNC-Router-Tool-Adapter-for-Collet/321838391794?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D37123%26meid%3D329ed4f3b92746bba7a7a8a7ccb9ae3f%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D111482085495
or these
http://www.ebay.co.uk/itm/5PCS-6mm-...552783?hash=item3d1d6af0cf:g:VKIAAOSwOVpXYsCh
These are available from other places other than China, but at about twice the price at least, so the choice would be yours.
Now if they turned out to be accurate, a very simple collet system could be made up to hold them and because they have a shoulder to work to, then all you would need is a length setting gauge for your cutting tools (maybe a tiny bit of loctite to hold them in place, easily removed with a gentle tap) and bingo, easy change system with tools ready set to length.
I will be looking at these for my system at a later date.
Hope this helps
John
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