Y axis belt tensioner Anycubic I3 Mega

I tried to respect the design of x_Gator_x to the maximum, since it seems correct, with a perfect and subtle operation since it goes unnoticed in the printer and once the tension of the straps is adjusted they do not loosen, but it seemed correct to update the design , with nuts in excess of the locking screw that if I have left it to thread the piece since it does not seem to me a critical point and that of the screw that provides the tensioning, that what I have done has been a threaded brass