1/2 x 5-1/2, 304 Stainless Steel, Wedge anchors, also known as expansion bolts and expansion anchors, are four-piece anchor assemblies that secure themselves using a mechanical wedging effect at the end of the fastener.

MIN76988US 1/2 X 5-1/2 304 STAINLESS STEEL WEDGE ANCHORS ALSO KNOWN AS EXPANSION BOLTS AND EXPANSION ANCHORS ARE FOUR-PIECE ANCHOR ASSEMBLIES THAT SECURE THEMSELVES USING A MECHANICAL WEDGING EFFECT AT THE END OF THE FASTENER. MINERALLAC