Hi all;

Whats the thread used on scaffolding couplings?

I have a 1/2" BSW tap that seems to run in the nuts but suspect it may
be 12m?
As this is somewhat easier than I think it should be.

I have many coupling that need a nut die down them to clean my stock up
with.

Regards
Ian

In an earlier contribution to this discussion,
wrote:

Hi all;

Whats the thread used on scaffolding couplings?

I have a 1/2" BSW tap that seems to run in the nuts but suspect it may
be 12m?
As this is somewhat easier than I think it should be.

I have many coupling that need a nut die down them to clean my stock
up with.

Regards
Ian


I dont know the answer, but if you have a tap, put it alongside one of the
bolts and see whether the threads interlock. 1/2" Whitworth has 12 threads
per inch whereas 12mm has approx 14.5 - so if the thread on the bolt is a
bit finer than the tap, it may well be 12mm.
--
Cheers,
Set Square
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