EN 14566 phosphated Class 48
Drywall screws with single-start thread are used for attaching plasterboard to wooden substructures.
Material class A1, i.e. drywall screws are non-flammable.
Pull-out resistance 450 N on metal profiles in accordance with EN 14195 (0.60 ± 0.04 mm) or wood according to EN 338, class C 16.