Axle Shaft Bolt Size? (1 Viewer)

[LevinBR]

Doing axle work this weekend and I would like to have a bolt handy to pull out the axle shaft. Anyone know what size that bolt should be for an '89 BJ-73? (8mm? 10mm? 12mm?) See pic below for clarity;

Thanks!!

 

[OGBeno]

M8 x1.25

 

[LevinBR]

Thanks @Onur !!