No nd Injury: Placoplatre anchor screw is made of plastic, which reduces the injury of the opponent when using it compared with direct contact screws. In addition, compared with other self-drilling anchors, it is more stable and easier to start. Anti-rotation design: Powerful anchor with anti-rotation structure can firmly clamp the screws during rotation. After tightening the screw, the slotted anchor expands on two opposite sides, thereby increasing the holding force. High-quality materials: Expansion anchor set is made of carbon steel. It is durable, not easy to break, high density, rust resistance, corrosion resistance and oxidation resistance. It can be used at any temperature. Size: 50 pins and 50 matching screws. Anchors with screws size: 5.2*3cm, M3.5 screw size: 5cm, Conventional size and sufficient quantity can meet your different needs. Wide range of applications: Gypsum board anchors and screws are very suitable for use on flexible gypsum boards. Suitable for installation or nging objects. For example, painting, lights, consoles, cabinets, wall ngings, windows, etc. High-quality expansion screws Depending on the supporting material, the two components can achieve higher load values and intelligent operation (expansion, bending, knotting). Gypsum wall and cavity wall installation tools are suitable for the installation and nging of ordinary walls. Installation questions: Align the anchor, solid anchor and fixing hole with the anchor. Insert the screw and turn it clockwise to align it with the anchor. When fixing to the panel, the unthreaded portion of the screw should not be longer tn the object to be fixed. The required length of the screw is determined by the length of the pin, the thickness of the object to be fixed and the diameter of the screw. The distance from the edge should be at least twice the length of the fastener. Available walls: Solid brick Solid calcium silicate brick Solid lightweight concrete brick Perforated bricks in bricks (vertical perforation) Perforated calcium silicate brick (vertical perforation) Hollow bricks, lightweight concrete Autoclaved cellular concrete (hollow concrete) Gypsum plasterboard Gypsum board and gypsum fiber board Hollow concrete and brick floors or similar Natural stone Particle board Full gypsum board. Installation: TV shelves, lighting equipment, shelves, mirror cabinets, mailboxes, paintings, roller blinds, curtain rails, sink accessories, plumbing accessories. Product specifications: Material: plastic, carbon steel carbon. Size: Screw length5cm Dowel3 x 5.2cm Package includes: 50 x Aircraft expansion tube + 50 x M3.5 screws. Good quality product