$150 for 1,000 (OBO) Self Drilling TapHex Washer head with sealing washer screws #14 x 2 1/2 - in boxes of 1000 pc. This size of screw works well as a replacement for a standard size pole barn screw or nail that has become loose and is no longer holding tin sheets secure. Cash Only- NO SHIPPING WIll deliver to Fargo, Jamestown or Bismarck at my convenience.