Graduate (inboard/outboard) lathe spindle

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Forum topic by murch posted 05-31-2011 11:33 PM 1637 views 0 times favorited 4 replies Add to Favorites Watch
View murch's profile


1319 posts in 2042 days

05-31-2011 11:33 PM

Topic tags/keywords: question lathe woodburning

Just saw a 2nd hand chuck on EBAY. Guy does not know what size of a spindle it turns onto.
He says it fits a graduate. Any-one know what diameter and tpi these lathes have?
Thanks in advance.

Best regards,

-- A family man has photos in his wallet where his money used to be.

4 replies so far

View Minorhero's profile


372 posts in 2023 days

#1 posted 06-01-2011 03:20 AM

You are going to need more information. Apparently a graduate is a European lathe. At least one older model had a 1.5” 6tpi spindle while some of the newer ones are using metric measurements. So you need to know what model of graduate that the chuck fits.

View murch's profile


1319 posts in 2042 days

#2 posted 06-01-2011 02:54 PM

MH – don’t think the guy selling has much interest in this sort of thing. He can’t give me any more info but thanks for taking the time. Appreciate it.


-- A family man has photos in his wallet where his money used to be.

View drewnahant's profile


222 posts in 2507 days

#3 posted 06-01-2011 03:05 PM

It doesnt sound like you will ever be sure, but chucks are expensive, so if you can really get a good deal, you can try it, and if it doesnt match, either buy an adapter, or sell it off to another woodworker once you measure the thread. IMHO, if it is a good deal, it’s worth taking a chance.

View Loren's profile


8158 posts in 3066 days

#4 posted 06-01-2011 05:45 PM

Union-Graduate is a super-nice lathe. Has a big spindle and
probably won’t fit most N. American woodturning lathes.

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