Grip-Rite No. 8 Sizes X 1/2 in. L Slotted Hex Head Gutter Screws 100 pk

Zip screws are the contractors choice for fastening downspouts and elbows together. ZIP screws taper down to a sharp point that allows them to create their own holes as you drive them into a substrate, as long as the material isn’t too hard. Unlike other screws, like wooden rivets, a ZIP screw’s shank is hard. These screws allow you to apply extra force with less slippage or damage to the recess