Drywall fibreboard screw GSH 3,9X19

The special drywall screw GSH with hilo-thread is designed for fixing gypsum fiberboards to metal framework up to 0.8mm. The Hi-Lo thread is ideal for cutting through the fibers of gypsum fiberboards and is perfect for boards with fibers. The countersunk head ensures a flush finish in the building material for easy covering and plastering. The screw is made of steel with a black phosphated coating for corrosion resistance and to prevent chemical reactions with the plasterboard. This screw is suitable for connecting gypsum fiberboards on metal framework up to 0.8mm.