The DEWALT 7246SD-PWR Wedge-Bolt+ is a one-piece heavy-duty screw anchor with a finished hex washer head for concrete and masonry fastening. Steel threads along the anchor body tap into the drilled hole during installation to create keyed engagement in the base material. The anchor installs through standard fixture holes, can be driven quickly with a powered impact wrench and is fully removable for maintenance or temporary attachment work. Suitable base materials include normal-weight concrete, sand-lightweight concrete, concrete over steel deck, concrete masonry and solid clay brick. This 1/2-inch diameter by 4-inch long low-carbon steel anchor has a zinc finish, a 2-1/2-inch minimum installation depth and is packaged 50 anchors per box.