Knauf Sheet metal screws LB with fine thread for connecting sheet steel profiles - profile screws, drywall screws, self-tapping, 3.5 mm x 9.5 mm including 1 x bit (1000 pieces) : Amazon.de: DIY & Tools
Knauf Blechschraube (Durchmesser Kopf: 3,5 mm, Länge: 9 mm, 100 Stk.) | BAUHAUS