> Quick question on British threads. I have a Lucas lamp with a
> threaded stem
> that I cannot match up. I need to get an acorn nut for the
> lamp stem. There is
> a nut on it that will screw onto a 3/8" x 16 stud but stop
> just before the
> stud comes through the nut. It will also screw onto a 3/8" x
> 24 thread but
> stop with the stud half way through the nut. Is this enough
> to zero in on and
> where are these available.
Most likely, that would be a 3/8" BSF thread (20 tpi). But it might be a
1/8" BSP (.383" diameter, 28 tpi). You should probably put a thread gauge
on it before buying anything.
One source might be
http://www.britishfasteners.com
Randall
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