The “NDS-FIX” insulation washer has an outer diameter of
90 mm and an 8 mm inner hole diameter.
In conjunction with HÜFNER countersunk head nail plugs Ø 8 mm, it is used
for fastening insulation materials. Likewise,
commercially available countersunk screws Ø 5 mm & Ø 6 mm can be used
.
