Non-expansion fixing bolt fixes directly to pre-drilled masonry, hollow block, brick and concrete. Quick and easy to use, this non-expansion fixing allows tight spacing and close-to-the-edge applications. Screws into a pre-drilled hole, cutting its own self-tapping thread without the need for a sleeve or plug. For the installation of racking, hand rails, barriers, storage systems, machinery and numerous other applications. Can be used indoors or out.