Does anyone know what the thread size and pitch is on std drive shafts and rear hubs ie the castlated nut?

Does anyone know what the thread size and pitch is on std drive shafts and rear hubs ie the castlated nut?

Fronts are M20, rears are M16, both 1mm pitch.
You can buy new ones from here:
http://www.vauxhall-car-parts.co.uk/...-_8967950.html
http://www.vauxhall-car-parts.co.uk/...90105309N.html
Last edited by paul james; 13-01-13 at 09:29 AM.