Blackjax Woodscrews - Round - Black Organic

A twin-threaded wood screw with a black japanned finish designed to be used with black ironmongery. Partially threaded from 1 1/4"

Round Head - Pozi recess for reduced cam out and round head for reliable clamping

Twin Thread - 60° Twin-threads with parallel shank for faster insertion and greater pull out resistance.Partially threaded from 1 1/4"

25° sharp point - The 25° sharp point and single leading thread achieves a fast start and improved thread acceptance