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WTB 3.5x4 tpi Lathe Chuck or Backplate

pjames6

Plastic
Joined
Apr 23, 2019
My lathe is dead in the water until I can find a threaded chuck or backplate.

3.5" x 4tpi.

If you know of someone that could make a backplate let me know, I'm willing to pay for the work.

Thanks!
 
we could make one, but without EXACT measurements, we'd have to make a few trial sized pieces that could be shipped at more budget friendly rate. also what size plate/ chuck, (adapter?) are you looking for?
 
we could make one, but without EXACT measurements, we'd have to make a few trial sized pieces that could be shipped at more budget friendly rate. also what size plate/ chuck, (adapter?) are you looking for?

Attached are the measurements I took.

I have a 9" 4 jaw that I'm looking to mount, I figured I could do the final fitting. @hvnlymachining let me know what else you need.

Spindle.jpg
pOlsxlR.jpg
Pic with 8tpi thread gauge(I don't have a 4tpi).
mEDsdTR.jpg
 
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