The ZKSK® (top flange plate 80 x 40 mm, oval) is used for mechanical fixing of walk-on and non-walk-on insulating materials and roof tracks on trapezoidal steel sheet. It consists of an impact-resistant polyamide PA 6 plastic holder with moulded-on fusible ring for maximum safety during bolting. The roofing bolt with cross-recessed head is made of carbon steel and is case hardened, pre-treated by galvanisation, and specially corrosion-protected by an organic/inorganic coating.rnThe ZKSK® are processed with screwing blades with PH 2 cross-recessed heads.

Zahn-Quality warranty: Embossed HZ mark

For material thicknesses form 0,75 up to 1,5 mm.

Prices for roof reconstructions and special sizes on request.
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Minimum depth: 20 mm
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When using bituminous vapour screens and/or bituminous seals, please bear in mind the possible change in overall thickness of the roof.