3/8"-16 x 1 1/4", Full Thread Grade 5 Hex Serrated Flange Screw Z/P, 1 ea

Hex Serrated Flange Screws offer a locking head design with built-in serrations on the bearing face of the flange. These serrations allow the screw to lock onto its installation surface providing excellent resistance to loosening due to vibration.

Product Cross References: 3720MWW5