thread size

[thrownchain]

Can anyone verify thread size and pitch for the ignition end of a Sachs crank ? I came up with thread pitch of 1.00, but 10mm seems too big and 9mm seems too small. I know it's left hand thread.

[Kip Kern]

10 x 1 LH Sachs, 12 x 1 LH KTM

[thrownchain]

Thanks