8-11X1 1/4 6 lobe Flat w/Nibs Deep Thread Wood Screw Type 17 2/3 Thread Zinc (Pack Qty 7,300) BC-0820DTF17D

6 lobe Flat w/Nibs Deep Thread Wood Screw Type 17 2/3 Thread Zinc

The deeper thread design offers greater resistance to pull-out forces. The six-lobe recess transmits drive torque with less required downward pressure