Panelling screw Västsvensk Byggskruv A4

Patented design with sharp point and threads adapted for anchoring in wood. The threads immediately grip and pull the screw into the panel. The threads under the head fix the panel, while the grooves under the head countersink the screw. Suitable for mounting panels, fences, etc. The screw fulfils the requirements of AMA Hus 21 HSD.16 for mounting panels. The unique tightening properties of the screw have been achieved by providing the screw with a cutting drill tip, as well as with oblique and longitudinal cuts between the threads. This gives the following advantages: