Fixing device for assemblies on trapezoidal or corrugated sheet roofs or trapezoidal or corrugated sheet façades and fitting screw for same
摘要
<p>The fastening device has fastening calotte and a mounting screw. The mounting screw has a penetration hole to penetrate into the fastening calotte. The mounting screw has one-piece hanger bolt or a two-part solar module attached screw.</p>
