Plastic spiral screws for mounting in polystyrene 28x50 mm, 10 pcs. Made of high-quality polyamide, which guarantees resistance to changing weather conditions. They are designed for attaching lightweight non-structural elements (max. up to 5 kg/pc.) to wall facades made of polystyrene. Recommended for mounting elements such as: signs, house numbers, letterboxes, lighting elements, motion sensors, etc. Most important parameters Model: WK-DS050 Plate diameter (head): 28 mm Connector length: 50 mm Quantity in the package: 10 pcs. Socket type: TORX-30 Material: polyamide Compatible with screws with a diameter: 4.5mm Original product of a renowned company KLIMAS Wkręt-Met ® Features and benefits 1. Screw-in fasteners allow to maintain thermal insulation continuity at the fixing point, no thermal bridges. The fasteners are made of high-quality polyamide, which guarantees resistance to changing weather conditions. 2. The fasteners are attached together with a 4.5 mm diameter screw . The fasteners are not intended for structural fastenings or fasteners exposed to significant dynamic forces (shutters, blinds, window awnings, etc.). Substrate and example application They are intended for fastening light non-structural elements (max. up to 5 kg/pc.) to wall facades made of polystyrene. Recommended for fastening elements such as: wall flashings, signboards, house numbers, letterboxes, lighting elements, motion sensors, etc. The fasteners are not intended for structural fastenings or fastenings exposed to significant dynamic forces (shutters, blinds, window awnings, etc.). Screw-in connectors ensure thermal insulation continuity at the mounting point, eliminating thermal bridges. The connectors are made of high-quality polyamide, ensuring resistance to changing weather conditions. Product specifications diameter of the head: 28 mm connector length: 50 mm quantity in the package: 10 pcs. socket type: TORX-30 material: polyamide compatible with screws with a diameter of: 4.5 mm Installation method Before installation, mark the installation locations of the fasteners on the facade, it is recommended to use two installation methods: screwing the fastener into the thermal insulation layer before applying the adhesive layer and the reinforcing layer (mesh), drilling holes in the applied adhesive layer with the reinforcing layer (mesh) and the structure layer (plaster) with a concrete drill, then screwing the fastener into the thermal insulation layer, screw the connector in using a screwdriver and a TORX-30 bit. screw a Ø 4.5 mm screw (not included) into the installed connector, securing the element to the facade. KLIMAS screws - the most common choice of professionals *the measuring tape and steel screw are not included in the set; they are only for better product presentation.