9 N 10272302 hexagon collar nut self-locking M10
10 N 10576802 hexagon bolt M10 X 105 X 26
The housing is not threaded, but they corrode in due to steel vs. aluminium and even worse if coppaslip has been used. I had to drill one of mine and finish off tightening the nut against a greased washer which pulled it out.
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