VFM Workshop Supplies
Techfast hex-head roofing screw
Self drill light section
Designed for fixing cladding and sheet steel to light section steel purlins of between 1.2mm and 3.6mm
The screws have a hex-head, self-drilling and have a rubber washer which expands under pressure to form a permanent weather seal
They are zinc plated and have an 'Elementech' coating for superior corrosion resistance, which has been salt spray tested to 1000 hours
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