Can someone identify these tool shanks?

11andrew11

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Feb 15, 2022
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I purchased these two facing and boring heads (Wohlhaupter UPA4 and Chandler Duplex 2-1/2) at an auction the other day.

I don't recognize the arbor/shank. They came from a machine shop that seemed to do things in XL sizes. For example, they were auctioning off an Aloris DA QCTP and tool holders. Anyway, these shanks have an OD of 1.5".

I posted yesterday in the Q&A forum, but haven't gotten a response yet, so I thought I'd come ask the tool junkies.

Thank you.


PXL_20220607_023408086.jpg
 
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