They do, but an english thread one is close and can be forced on. Not recommended though, as it will damage the threads.
We covered this before somewhere.
apparently DA lockrings work fine. Mine screws on very smoothly.
I think it was more down to the length of the thread and most lockrings needed a spacer for them not to slip.
apparently DA lockrings work fine. Mine screws on very smoothly.
I think it was more down to the length of the thread and most lockrings needed a spacer for them not to slip.