Fire-rated, 40mm, pan head screws with a close thread for high performance. Ideal for securing D-Line fire-rated Safe-D ranges and other electrical installation equipment into masonry (stone, brickwork, breeze-block, concrete), plasterboard, and wood. Holds Safe-D clips and cable loads up to 970°C for 2 hours, remaining securely bedded with no need for anchors or plastic wall plugs. Fire Rated to 120mins Pan Head for Improved Clamping Steel Construction Zinc-Plated Ruspert Coated 60° Self-Tapping Single Thread Fully Threaded Fire Rated to 120mins Pan Head for Improved Clamping Steel Construction Zinc-Plated Ruspert Coated 60° Self-Tapping Single Thread Fully Threaded