Dérailleur bolt size?

[DerekB]

It is 10mm by 1.00, right?
Thought I would double check.
Thanks.

[David Kirk]

yep - 10x1

dave

[Mark McM]

In which case it is 10mm x 26 tpi (which is close enough to 10mm x 1mm that it will usually fit a 10mm x 1mm hanger tab).