Simpson Strong-Tie S10350DB1 Wood Screw, #10 Thread, Coarse, #2 Drive, Type 17 Point

Coarse threads approximately 2/3 up shank draw board tightly to substrate. Pre-drilling always recommended and a must near board ends to prevent splits. 0.344 in Dia, #2 square drive bugle head. 'Beaver Bite' type 17 auger point for extra fast starts. For pressure-treated lumber.