Universal plug 6x52 polypropylene (bucket) (pack 250pcs) Tech-Krep 104643

ZUM universal plug can be of two types: with a flat cylindrical rim and a 3-segment expansion zone; without a rim and with a 3-segment expansion zone. It is used for fastening various parts and products to the following substrates: concrete, solid and hollow brick, aerated concrete, lightweight aggregate concrete, sheet materials, stone. Made of polypropylene. In solid materials, the plug works by expansion, while in hollow and sheet materials, it twists into a tight knot and is fixed as an "anchor" on the inner side. The plug is used together with universal screws, plumbing bolts, screw studs, etc. It is not recommended to use it with black self-tapping screws. Installed in a pre-drilled hole.