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ER32 "UM"?
sparky961:
I'm beginning to think that the set I have isn't actually ER32. A quick search online wasn't able to clear up what I actually have though.
They look like ER32 but seem to be a lot longer (2.045" overall). I was thinking maybe ER40 but the dimensions didn't match up to that either. Any suggestions or sites that may help in the ID?
Unless I can figure out what they are and find an MT3 chuck they fit, my options are to a) shelve it until I have a machine with R8 spindle, or b) sell the collets and chuck as a set.
sparky961:
--- Quote from: Swarfing on November 22, 2014, 04:33:55 AM ---Both nuts should fit on either collet holder as the thread etc is the same. The only difference should be whether you use a spanner or a castellated wrench to tighten it?
--- End quote ---
The nut from the new one is much smaller than the existing. Kinda like trying to fit a square peg in a round hole. ;) I should have been more careful about determining the actual collet size/type before purchasing a holder.
Swarfing:
It should be written or stamped around the rim what size and type it is. Sounds like a need for pic of all the components next to each other.
sparky961:
--- Quote from: Swarfing on November 22, 2014, 01:00:51 PM ---It should be written or stamped around the rim what size and type it is. Sounds like a need for pic of all the components next to each other.
--- End quote ---
Yes, definitely time for some pictures. I squinted at the old chuck for a while and wasn't able to locate any identifying marks.
Thanks for your clues!
John Stevenson:
Picture 2.
They look like DIN collets to me not ER's
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