Hook screw fixing No. 22
Fixing for perforated metal planks on vertical support profiles without bottom flange, consisting of:
- Clamping lower part
- Counter Sunk screw M8 ... ISO 2009 (DIN 965)
- the profile of substructure must be specified upon
Fixing material No. 23 as per No. 22, but with vertical support profiles with bottom flange
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