Midwest Fastener 5/16 in. x 3-1/4 in. Star Hex Head Masonry Screw

The Midwest Fastener 5/16 in. x 3-1/4 in. Star Hex Head Masonry Screw is engineered for reliable and robust fastening in a variety of masonry materials, including concrete, brick, and cinder block. Constructed from high-strength steel, this screw provides exceptional holding power for both indoor and outdoor structural anchoring applications. Featuring a protective Blue Ruspert finish, this fastener delivers outstanding corrosion resistance to withstand harsh environmental conditions. The star hex head design ensures positive drive engagement and minimizes slippage during installation.