Licence plate screws

Hiya,
Stupid question but..
Does anyone know what the specs are for a 300zx's licence plate screw?

I took a screw off a skyline and it fit perfectly, so I went out to buy one which I thought the thread looked pretty much the same, but obviously my eye-balling skills suck because the 6mm screws I bought seems to give a lot of resistance and I don't want to force it..

I would have thought this kind of thing was pretty standard ; right now my plates are being held on with twine ?_?

 

You may have bought imperial instead of metric screws.....

 

Hmm.. I hope not. They were M6 screws

 

or the pitch is wrong maybe 1 or 1.25 or 1.5 perhaps ?. If you can wait till tomorrow i can measure mine with a thread pitch measuring tool.
Cheers Dave

 

Thanks man! That'd be great

 

You could also use pop-rivets, which have the advantage of being not easily removed.

 

M6 x 1.0 is the size of the rear number plate screws on my 92 J.D.M 2 seater so hope that helps.

 

@red32 haha yeah thats a good point! Although I'd probably be more inclined to do it if I had personalised plates.
@twinterror thanks man! thats a big help. appreciate you going through the effort