Polyamide support disc Ø 50 mm in combination with 4.5 – 5mm screws.
Retaining disc without screw DHT
Polyamide support discs with a plastic plug for fixing pressure-resistant insulation panels with screws (wood, chipboard or self-drilling screws). The interaction of insulation support and screw guarantees an optimum fixing of pressure-resistant insulation boards. The two different shaft lengths allow the right fixing solution.
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