If you are not near the sea try _www.silentstainless.co.uk_
(
http://www.silentstainless.co.uk) at Silent Stainless Ltd. 45 Blackwood, Coalville,
Leicester, LE67 4RG 01530 458813. They supply lots of stainless nuts and
bolts etc. to the motorcycle people.
My regards,
Bellerophon