Metric Quill Stop

[YotaBota]

Does anyone have a source for a M12 x 1 quill stop? All I get from my net search is 1/2 x 20 thread. My KBC mill for what ever reason uses this thread for the quill stop. I may have to buy a nut or a tap and make one.
Thanks

 

[DavidR8]

I wonder if KBC can help.

 

[YotaBota]

I've been to all the usual tool stores,KMS/KBC/BB/Grizzly/McMC/LMS/Google. They have nothing listed but I haven't contacted them directly.

 

[YYCHM]

How did you arrive at M12-1? What's special about it that makes it a quill stop?

 

[Tom Kitta]

You mean this? https://www.kbctools.ca/itemdetail/1-541-QN30

https://www.aliexpress.com/item/400...earchweb0_0,searchweb201602_,searchweb201603_

You can usually find B/P parts on aliexpress for cheap.

 

[PeterT]

Tom the kbc specs say 1/2-20 thread

 

[Tom Kitta]

Tom the specs say 1/2-20 thread

View attachment 12595

I was asking for style - the 2nd link has whole assembly from China and I am 90% sure its not imperial thread.

 

[PeterT]

Ah,I see.

Typical frustrating Ali specs. Dimensions to practically meaningless features. No thread details.

 

[Tom Kitta]

Yes no details - probably sold by the same place that sells perfumes or gloves. There are plenty of others through so I am sure something can be found.

 

[YotaBota]

How did you arrive at M12-1?

Thread guage and micrometer.
This is what I'm looking for but with the M12-1 thread.
https://www.amazon.ca/HHIP-3900-020...d=1&keywords=quill+stop&qid=1610159289&sr=8-5

 

[PeterT]

I've never seen one in real life but I think there is a tension spring inside between those 2 posts?
M12x1 tap doesn't seem to be quite as common as coarser M12, threads but they are out there.
Unfortunately 0.5" dia is just a bit too big (12.7mm), would have been nice if you could just drill & re-tap

 

[Johnwa]

@PeterT are you looking for one of those special nuts like @Tom Kitta posted are will a regular nut work?
I do happen to have a 12x1 tap.

 

[PeterT]

Thanks Johnwa, but its YotaBota that is looking for a metric mill clamp like the ones shown, not me. Or else he may have to make one (hence the M12x1 tap).

 

[Johnwa]

I guess I should have read the whole thread!

 

[YotaBota]

That's okay Johnwa, my wife doesn't listen to me either, lol.
If we were closer I'd take you up on your tap offer. I have a block of aluminium so I think I'll buy a tap and have a go at making one.
If anyone has a stop with stripped threads or is just unneeded I'll pay the postage if you want to unload it.
Thanks all.