L.H. Dottie WS14314 1/4'' x 3-1/4'' Stainless Steel Wedge Anchor 100 per Box. Stainless Steel Wedge Anchors are fully threaded expanding anchors consisting of a stainless steel body and expansion clip, for use in normal and lightweight concrete. They feature a pilot on the hammered end to prevent first thread damage and are a non-bottom-bearing anchor. Common applications for use include structural connections, cable trays, strut, pipe supports, fire sprinklers and piping supports in concrete substrate. For installation instructions and weight loads, reference technical data sheet.