k2 singlerail self drilling wood screws flat head 6x100 box of 100 units pu 100 1000The K2 SingleRail 6x100 flat head self drilling wood screw (box of 100 units, PU=100 1000) is designed to provide reliable, precise, and long lasting fastening for photovoltaic installations using the K2 SingleRail mounting system. It meets the expectations of professional installers who require strong anchoring in wooden structures, particularly for residential projects and pitched roofs where fast and secure installation is essential. This 100 mm