The zinc-plated fischer insulation disc HV 36 punched is used in combination with a 5 mm screw. This means that extremely compression-resistant insulating boards can be fixed in wood and wood materials.
Features of fischer Insulation Disc HV 36 Perforated Galvanised - 4286
Made of galvanised steel | The very flat metal disc allows thin coatings to be applied to the fixed materials | For 5mm screws | Package Dimensions: 4.4 L x 19.0 H x 8.8 W (centimeters)