In a message dated 7/7/04 6:11:50 AM, steve@sburl.com writes:
>They are probably British Whitworth thread (BSF). There are no metric
>or
>SAE equivalents, so you will have to find a donor stem or replace both
>nut
>and bolt.
>
As I have said in the past your best source for Whitworth and Cycle thead
bolts is your local British motorcycle shop.
Phil Brown
San Rafael, Calif.