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Originally Posted by Sajan

Based on my readings (here and sourcing the service manual):

Axle Shaft (1985+ -- 108mm), + moon plate
M10 x 50mm - 12.9 - 83 Nm (60 ftlb)
M8 - 12.9 - 42 Nm (30 ftlb)

Is this accurate?

I wonder where I can find some Schnorr washers locally.

The moon plate was not stock, so you have to do a stack up and measure. Measure the flange, then the CV/dustboot, moonplate stack up, add up the totals and there ya go. I get my bolts from Belmetric and I use Nordlock NLX washer system.
Use an accurate torque wrench on the 8mm bolts, 30 lbft is danger close to the engineering design limit.