Power Pro 5/16-in x 2-1/2-in Bronze Coated Round -Head Exterior Lag screws 35 -Pack

This products has features that are both impressive and unique. Topping the list is the new star drive technology which virtually eliminates cam out for a smooth, effortless drive every time. Chances for splitting wood are greatly reduced by the patented cross-cut threads and the wood biting cut point. These two features combine to prevent wood splitting by grinding wood and removing fibers from the hole.