No additional plugs required, making the WHO screw a user-friendly and time-efficient fixing solution. Countersunk Head Made of hardened steel, electro-zinc coated Imposes less stress on substrate during installation due to no expansion force Small hole diameter giving high loads Easily removed for temporary works Suitable for use in pre-drilled 6mm diameter concrete, full and hollow bricks, stone and structural clay tile and without pre-drilling in aerated concrete and timber Applications include use with door and window frames, suspended ceilings and lightweight steel angles

Brand Name	Rawlplug