#8 x 1/2″ Metal Screws feature a Sharp Tip for -drilling into metal and wood. This screw features a 1/4″ Hex Head and each order includes a 1/4″ Hex Bit Driver to make application quicker and easier. Coated Screws. 1/4″ Hex Heads. 1/2″ Sharp tip screws. Perfect for gutters, downspouts, copper flashing, or metal use piercing tip cuts through thin metal without pre-drilling 1/4″ Hex Bit Driver