Frame screw L

Frame Screw L is intended for mounting smaller windows and lightweight interior doors in wood, concrete, lightweight concrete, brick, and steel joists. It provides a fully adjustable installation. Use the version with drill point for fastening into steel joists (max 2 mm) with wood reinforcement, and the sharp-point version for installation in wood, concrete, lightweight concrete, brick, and hollow brick. Frame Screw L can also be used as an adjustment screw for aligning wooden studs.