Quikdrive #8×1-3/4In Twin Thread Sub-Floor Screw with #3 Square Drive Head (2000/box)
This screw is designed for sub floor and sheathing to wood, decking to wood, ply fastening for multi-ply trusses.
#8×1-3/4In Twin Thread Sub-Floor Screw with #3 Square Drive Head (2000/box)