Ahh that's unfortunate harry!! So there's something wrong with the threads inside the frame?
Before you drill anything, I think it might just be powdercoat that's snuck into the threads. it probably just needs re-chasing.
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Ahh that's unfortunate harry!! So there's something wrong with the threads inside the frame?
Before you drill anything, I think it might just be powdercoat that's snuck into the threads. it probably just needs re-chasing.