Product details:
Wedge anchors are heavy duty concrete fasteners that are designed to anchor objects into concrete. They are installed into a drilled hole and then expand when the the nut is tightened.ANCHOR DIAMETER : 1/2"AVERAGE SHEAR VALUE PSI : 6400AVERAGE TENSILE VALUE PSI : 4800DRILL BIT SIZE : 1/2"FINISH : Hot Dip GalvanizedLENGTH : 4-1/4"MATERIAL : SteelPACKAGE QUANTITY : 25SIZE : 1/2" x 4-1/4"THREAD SIZE : 1/2"-13