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Harley engine bearing laps (was What is this?)

mcdivit

Plastic
Joined
Oct 31, 2018
I got these in an estate sale.
Some type of collect and mandrel I assume, but application unknown.
Previous owner was Harley restorer, perhaps a Harley specific tool?
Were covered in ancient cosmoline, took a lot of soaking to even see them!

20181028_152918.jpg
 

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Looks like an expanding mandrel to me, though I haven't seen that particular version. Would be used to hold things by their bores for machining. One use would be to machine a pulley (or anything else with a bore).
 
Think I see an expanding mandrel with auxiliary plugs sliding on the shaft. You could release a part from the mandrel and push in one or two of the ground plugs for some purpose.
 








 
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