M2 Nut
 

I am after a M2 nut ( nylon thread ) for my 501x diff if anyone has a spare one they could help me out with would be great ;)

www.modelfixings.co.uk will sell them.

Just out of interest, are you finding the nut strips too easily, ie it could do with being a thicker nut and having more threads in it?

The diff was very slack when i got the 501 so i tightend it up a bit, but when i went to give it a very slight ajustment to back it off it just unwound totaly soon as i put it on the track and put the power on :( , yes they do seem alittle flimsy and a slightly larger one would be better but the problem is fitting a larger one in