Use with machine screw, bolt or threaded rodInternally threaded expansion anchorRequires layout or hole spottingA two-piece, internally threaded expansion anchor with four equally spaced longitudinal slots extending from the bottom end of the outer shield, inside of which sits a pre-assembled dilating plugCan also be used to anchor handrails and floor mounted door stopIntended for flush mounted, medium to heavy duty applications in solid materials such as stone and concreteIt can be used in, but are not limited to, overhead assemblies such as duct work and pipe hangers because the internal plug holds its positionShallow embedment