An unique design of the plug provides secure installation in any substrate - in both solid and hollow substrates as well as in plasterboards.
Why Wkret-met SFX are suitable for all substrates
Special cubes jammed the base of the plug into a wall with a minimum thickness of 10 mm and prevent scrolling in the hole. Side fins placed along the length of the dowel also help about that.
Special expansion fins guarantee secure grip in drywalls as well as in solid substrates. The internal structure points the direction of the screw and reduces the likelihood of its blocking.
Increased flange diameter prevents the plug from falling into oversized holes while the reduced diameter of the tip of the plug body facilitates its easy installation in a hole.
The plugs can be used successfully for materials like: