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Can anyone ID these parts?

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Phil Pascoe

occasional purveyor of blunt tools.
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The chuck itself is threaded 1"x 12 (I think, not that it's very relevant) and the three parts to the left fit in it - to achieve what, I'm not sure. The collet doesn't seem to fit, and the large item is solid with a flat on one side. I don't think the silver coloured jaws are anything to do with it. They could be parts from different chucks.
 

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Trevanion

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I think I've actually got two of these somewhere assembled for a Myford ML8 Inboard and Outboard, I'll see if I can dig them up later for you and take a couple of pictures.
 

Inspector

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The two pieces with the flat on them look like they are a pin chuck. They would fit into a hole with a small rod/pin on the flat. Rotation would lock the turning to the shaft.

Pete
 

flh801978

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These are craft supplies pcc 2000 or just the pcc (precision combination chuck)
Parts only now available secondhand
It was a bit of a faff to use
The light alloy bits are for an expanding chuck but there’s a tapered bit that pushes them out missing

Ian
 

HJC1972

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Phil, I have a pdf of the instructions if you want it. Let me know and I can email it over to you.
 
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