Tapcon® 1/4 x 1-3/4 Silver Hex Flange Head Concrete Screw

Concrete Screw, Tapcon®, Silver Hex Flange Head, 1/4in x 1-3/4in, Silver Zinc Plated Steel, Hex flange provides built-in washer bearing surface, Tempered hi-low thread cuts directly into pre-drilled concrete, brick, or masonry, No anchor required