Fixing to a lightweight concrete

Lightweight concrete screws KBRM and the pan headed KBRM P are specially designed for fastening to lightweight concrete (eg Siporex) and lightweight gravel (eg Leca). The screws are installed without pre-drilling and plugs, like a standard wood screw. The screws are equipped with a T30 drive. Screws are approved for corrosion class C4, so they are suitable for outdoor use and demanding corrosion conditions!