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Thread adaptor

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David J. Ross:
I need to try and find an unusual adaptor it has a 3/4 x 16tpi female thread to a 11/4 x 8tpi male thread all help would be appreciated
thanks David

Tim Pettigrew:
The nearest I can find is this from Turners Retreat https://www.turners-retreat.co.uk/spindle-adapter-34-x16-1-x-8/p2691 which converts 3/4" 16 tpi female to male 1" 8tpi.  They also do another adapter https://www.turners-retreat.co.uk/adapter-1-x-8-female-to-1-14-x-8-male/p1048 which will screw on to the male 1" 8tpi and will give you your male  1 1/4" 8tpi

That may possibly help?

Tim

Valkrider:
Probably easier to get a piece of 1 1/4 x 8 all thread and give that to an engineering shop to tap it with your 3/4 x 16 thread. That's what I did when I wanted a 1 1/4 x 8 with male thread and MT2 on the end.

Bryan Milham:
David, I would suggest looking at the headstock again, have you got an adaptor already jammed on it.

Or is it that you have a 1¼ x 8 chuck and want to fit it to a ¾ x 16 headstock, so you don't have to buy a new chuck?

David J. Ross:
Thanks Tim and Valkrider for your suggestion and I will look into them dr4g0nfly I should have explained better it is not for my spindle its for a 3/4 x 16tpi threaded revolving centre that I have Hopefully I will get my problem sorted soon

Thank you all for your help

David

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