Strongman Basic wood screw for indoor and outdoor use, when you want a screw that meets all technical requirements both in terms of steel quality and corrosion protection. This is a basic wood screw to be compared with the low-price market screw and as usual at Europe's lowest price. Do you need screws adapted for both indoor and outdoor installation in environments with high demands on corrosion resistance. Strongman wood screws are hardened, self countersinking and have an anti-corrosion coating (C4)