High performance deck screws. Spee-drill(TM) threads. Flat Head, square drive, steel. #8 x 2 1/2 in. Box of 1200. Cedar color. Threads allow for speedy installation and maximum pull-out strength.
Their flat head and shank are reinforced, and specially designed speed-drill thread allows for faster driving
Deck screws are specifically designed for use in ACQ, pressure treated and other chemically treated lumber