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 into substrate. If the material isnt too hard. Unlike other screws, wooden rivets, a Zip screw shank is hard. These screws allow you to apply extra force with less slippage or damage to the recess.