Concrete screw UltraCut FBS II 6 zinc plated - Permissible loads of a single anchor in cracked and non-cracked normal concrete (concrete tension zone) of strength class C20/25 (∼B25) / Permissible loads of a single anchor in non-cracked normal concrete (concrete compression zone) of strength class C20/25 (∼B25) / Highest permissible loads for a single anchor for multiple use for non-structural applications in cracked concrete C20/25 to C50/60.