mongoose motor mounting screw size???

[NSLST]

i tried a few motor mounting screws i have, none of them fits.

i am sure it is not size M3 nor is the one comes with mini LST. i used to have M3 on my Wraith 7K.

SO what size screw does mongoose 380 motor take? please enlighten me.

thanks.

[trerc]

2.5mm

[NSLST]

2.5mm X 4

2.5mm X 6

2.5mm X 8

which one? thanks a million.

[trerc]

I use the 2.5x6 with a small lock washer.