Boxford missing a Nut

Boxford missing a Nut

This topic has 6 replies, 6 voices, and was last updated 26 May 2020 at 12:55 by Oldiron.

Viewing 7 posts - 1 through 7 (of 7 total)

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23 May 2020 at 19:42 #474311
Chris George
Participant
@chrisgeorge68271
So I finally jumped in and brought myself a Boxford Lathe, and currently just fixing all the issues. Managed to figure out how to take the play out the cross slides etc.

However just notices a small bolt missing. The thread is a little damaged but looks like it could be a M6x1.25. But as it’s a British machine made in 1952 I’m surprised it’s metric?

Anyone have any pearls of wisdom or knowledge they can shine on the situation.
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23 May 2020 at 19:42 #27391
Chris George
Participant
@chrisgeorge68271
23 May 2020 at 19:48 #474312
Keith Long
Participant
@keithlong89920
More likely 1/4in BSW (20tpi)
23 May 2020 at 20:15 #474325
old mart
Participant
@oldmart
Take the handle off to expose more thread. It could be 1/4 BSF, or 1/4 UNF even, as the lathe is a South Bend clone.
23 May 2020 at 21:33 #474350
Pete Rimmer
Participant
@peterimmer30576
It's a 1/4" BSW round nut with a slight dome top and a slot across it. You need a screwdriver with a slot ground in the middle of the blade to tighten it.
26 May 2020 at 12:27 #475068
Sam Spoons
Participant
@samspoons83065
It is indeed ¼" BSW, mine has a narrow 'locknut' style nut on it. I know as I had to source one for the top slide.

How are you going about removing backlash, I'm having trouble with mine on both cross and top slides and tailstock?
26 May 2020 at 12:55 #475073
Oldiron
Participant
@oldiron
Agreed it is1/4 BSW nut with a rounded head. I made one for mine from a standard nut and turned it down to the required dimensions.

regards
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