Master cylinder threas size?

[boyan1st]

Hi All,

I need to know what kind of thread is the one on the drum port on the master cylinder? The cart is 2004 aveo. I tried to find info online, but had no luck. I hope somebody here can help.Thanks.

[boyan1st]

In case anybody else need it:
M10x1.0 for the front brakes
M15.1.0 for the drums.