1/2″-13 x 6-1/2″ Hot Dip Galvanized Hex Cap Screws (25 pcs.)
Diameter: 1/2″ Length: 6-1/2″ Material: Steel Finish: Hot Dip Galvanized Head Style: Hex (3/4″ Wrench) Thread Size: 13 (Coarse) Thread Length: 4 to 6″ Type: Cap Screw Box of 25. A hex cap screw has a hexagonal head, designed to be driven by a wrench.