This is Cylinder Position hinge series ,18mm cylinder position
hinge ,the slot width is 18mm ,we can produce the thickness of the
bar are 2.0mm,2.5mm,3.0mm or others ,the length are from 10”to 28”.
We always use the stainless steel 304 ,if you need ,we can use
steel or 430. We can produce the window friction hinge according to
your drawing or your sample .