A fastening arrangement includes a threaded fastener (5) including a head (11), a shank (9) and a laterally expandable member (17). A bridging member (7) is provided on the shank of the fastener, the bridging member having an aperture through which the shank passes. The aperture has a dimension greater than the dimension of the shank (9) but less than the dimension of the head (11), and an outer dimension greater than a dimension of the laterally expandable member (17) in a first configuration but less than the dimension of the laterally expandable member in a second configuration.