I bought in german ebay a four jaws independent chuck with DIN 55022 number 4 fitting. This was not the kind of independent chuck I prefer for the Leinen lathe. I would prefered those kind of “old” chucks which are lighter than the modern ones. Having found no provider for these lighter chucks, finally I went for this one. The chuck can be seen in this picture: The chuck was in pretty good condition.

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The Boley Leinen collets have been a controversial issue. Sometimes difficult to find in a good condition but available time to time. There are no public Boley Leinen information about the right collets to be used. This poses some questions that owners are solving as the time goes. This post shows what collets are and features the most interesting information about them.

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sBs

An unusual software engineer working on dirty and greasy machines

Catalonia