16mm expansion shell anchors for wood furniture 

expansion shell anchors is used to fix objects to masonry, which usually includes internal forcing sleeve and internal forcing plug. Insert the casing into the drilled hole, use the flat head screw to top the inner forcing plug, and then hammer the screw with a hammer to knock the inner forcing plug into the inner forcing expansion part of the casing to open it. Finally, screw the appropriate screw into the casing to counter the inner forcing plug to avoid the rebound of the inner forcing plug. It is applicable to the fixation of screws and internal teeth within the heavy load range, the installation of fire-fighting equipment, hot water pipe, air conditioning and exhaust pipe, curtain wall, upside down pipeline, air duct ceiling, etc. In order to make the fixation more firm, the surface of the internal forcing casing is usually provided with uneven patterns, but the inner wall in the drilling hole is often a very rough surface. The effect of ordinary patterns is ver…