Thanks Steve - I actually cut out the concerns I had with each option, as it made them a little long and then forgot to add them in later!
Option 1 is probably the easiest but I wonder about heat damage and then holding the tool to drill on centre.
Option 2 has the same drill on centre issue and of course you are correct on there not being a whole lot of 'meat' to play with. I'm not reliant upon the drawbar closing my collets, as with a R8 collet - the drawbar is only there to prevent the tooling falling out, so I was curious as to whether there would be sufficient thread depth and engagement.
Option 3 (as you have said) would require all the tools to have identical adaptors, so that the one length drawbar would work.
I have see the pull studs for sale for use in CNC machines and wonder if they could be used (i.e. a drawbar fashioned to accept them). Of course, I have no idea how they work!
Option 1 is probably the easiest but I wonder about heat damage and then holding the tool to drill on centre.
Option 2 has the same drill on centre issue and of course you are correct on there not being a whole lot of 'meat' to play with. I'm not reliant upon the drawbar closing my collets, as with a R8 collet - the drawbar is only there to prevent the tooling falling out, so I was curious as to whether there would be sufficient thread depth and engagement.
Option 3 (as you have said) would require all the tools to have identical adaptors, so that the one length drawbar would work.
I have see the pull studs for sale for use in CNC machines and wonder if they could be used (i.e. a drawbar fashioned to accept them). Of course, I have no idea how they work!
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