Nylon expansion bolt screw It is mainly used to nail some things. The usage is now to make a small hole in the wall (the size of the plastic expansion tube is about the same) and then insert the plastic expansion tube into the plastic expansion tube. Insert a nail into the plastic expansion tube to nail it slightly, so that the hole will be extended under the action of the plastic expansion tube. At that time, the expansion tube can be completely plugged in, and then tighten the nails to fix.

1. The fastening of the plastic expansion tube needs to be completed with screws, and the fast tooth self-tapping screws can not be used, because it is easy to cut into the expansion tube body, or even cut off the expansion tube, which does not achieve the best expansion effect.

2, when using, must first use the impact electric drill (hammer) in the fixed body drilled out the corresponding scale of the hole, and then the bolt, expansion tube into the hole, screw the nut can make the bolt, expansion tube, device parts and fixed body expansion into one.

3, ceiling fans, chandeliers heavier items can not use plastic expansion tube, because over a long time, plastic products will be aging, may lead to later fall wounding.

4, the drilling hole can not be too shallow, the expansion tube in the inside can not be fully opened, or the hole can not hold the handle often shaking lead to the hole is too large, which will lead to the expansion bolt in the internal firmness.