Subject: Re: LG45 pivot pins
Peter,
Sorry, misread your post. 20 tpi would be British Standard Cycle (BSC).
See thread chart:
http://www.classicmotorcycles.org.uk/technical/technical_thread_size_chart.htm
http://www.stainlessmiddleton.co.uk do stainless cycle nuts but I assume you need slotted or castle nuts, which they don't do.
I suppose if you had access to a milling machine you could slot plain nuts yourself.
David