In each bull's eye there are flange or coupling nuts to choose from. Below some photographs of these nuts.
A flange nut a coupling nut. We cut out with a jigsaw a suitable hole according to the table below. Attach one part of the porthole to door and mark places to drill holes for the screws. Drill the drill holes for the screws.
Screw the porthole together with a set of bolts and nuts. The installation of a porthole is very easy! BASIC DIMENSIONS OF THE PORTHOLES.The diameter of the hole for the porthole [mm]. The diameter of the glass of the porthole [mm]. The item "BEAUTIFUL PORTHOLE VISION PANELS FOR DOORS phi 350 mm" is in sale since Monday, June 20, 2016. This item is in the category "Home, Furniture & DIY\DIY Materials\Doors & Door Hardware\Doors".bulaje" and is located in Wroclaw. This item can be shipped to all countries in Europe, United States, Japan, Canada, Australia.