DRF Screw

DRF, is a mechanical fastening designed for the installation of materials
insulating or waterproofing materials on flat deck-type roofs.
The TERMOFIX system is composed of a screw and a telescopic plastic tubular washer.
The drilling capacity of the screw on steel sheet is 0.88 mm.
Reduced drill bit, Phillips PH2 imprint. .
Anti-corrosion treatment with organic coating (15 Cycles.)
This coating conforms to the resistance test in a salt spray chamber, Kesternich test, with a result of 1,000 hours without showing any oxide layer.

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