Easy and quick to install - only need one assembly tool.
There is no clearance with the base material and the base material also has good air tightness if it contains bubbles.
Due to self-tapping ability, the base material does not have to be tapped in advance.Due to self-tapping ability, the base material does not have to be tapped in advance.
Strong resistance to vibration, which can prevent loosening.
It has a large contact area with the finished product, strong pull resistance.