Another what’s this thread….

Another what’s this thread….

This topic has 7 replies, 6 voices, and was last updated 11 July 2026 at 21:50 by Hollowpoint.

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11 July 2026 at 14:33 #855788
Hollowpoint
Participant
@hollowpoint
As title, anyone know what this is? I thought it might be a carriage stop?
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11 July 2026 at 16:41 #855817
renardiere7
Participant
@renardiere7
Is the split bore metric or imperial size? Has a slightly Mikron look about it.
11 July 2026 at 17:54 #855834
Hollowpoint
Participant
@hollowpoint
It’s about 19.75mm
11 July 2026 at 18:08 #855835
Nigel Graham 2
Participant
@nigelgraham2
Carriage stop looks the most likely purpose.
11 July 2026 at 18:18 #855836
vintagengineer
Participant
@vintagengineer
Could be part of taper turning attachment.
11 July 2026 at 20:06 #855854
DC31k
Participant
@dc31k
The head/wings of the T in the teenut look very skinny.

The width of the shaft of the teenut is also small.

Do we think it sits on both ways of the lathe? If so, the bed overall would be quite narrow.

If we assume the vee way is nearest the operator, the clamping boss is nearer the headstock. Whichever direction it sits, it means a flat way and vee-way bed

If there were a database of lathe way shapes and measurements, that would allow many to be ruled in or out (e.g. it would not fit a Myford as it has two flat ways; it would not fit a Colchester as it has two vee ways).
11 July 2026 at 21:33 #855865
bernard towers
Participant
@bernardtowers37738
it might be the baseplate for a milling spindle or graver rest
11 July 2026 at 21:50 #855866
Hollowpoint
Participant
@hollowpoint
Thanks for all the suggestions up to now guys. 👍

I’m starting to wonder if the t-nut is just wrong. Maybe it should have a plate that would fit to the bed in the same way as a fixed steady would?
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