Description
Kovervit® BS
Chromiting®
Self-tapping
Screw for fixing roofing sheets and prefabricated metal walls to iron.
HEXAGONAL HEAD
sharp-edged, with a hollow collar, designed to house the elastic washer against the infiltration of water.
BS SELF-TAPPING THREAD
with self-tapping grooves, which enable it to be used in thick materials without prior tapping.
CARBONITRIDING HEAT TREATMENT
More info: heat treatment
CHROMITING® GALVANIC TREATMENT
of an iridescent colour, it ensures much more effective protection against rust than all normal galvanizing treatments. Complies with the EN1670 standard grade 4.
More info: finishing treatments
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- Application of the Kovervit® screw whose hollow collar is designed to house the elastic washer against the infiltration of water. In addition, the tapping grooves of the BS self-tapping thread enable this screw to be used in thick materials, without prior tapping
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- Section of the screw that shows the characteristics of the carbonitriding treatment.
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- Sales box
