Nylon plasterboard anchors have special self-drilling thread design to realize a quick and easy installation operation to tighten a self drilling or wood screw into the center hole in the plug and turn screw to make nylon plug drill into the plasterboard substrate to fix the objects and to ensure a secure fixing. It could be used in single or double thickness plasterboard,being ideal to fix the light or medium duty objects.Some are designed to have expansion function for special usage purpose.