SDWS Timber Screw (Exterior Grade) — Reference Allowable Withdrawal Loads — Douglas Fir–Larch, Southern Pine, Spruce-Pine-Fir and Hem-Fir Lumber The tabulated reference withdrawal design value, W, is in pounds per inch of the thread penetration into the side grain of the main me...
Structural wood screw: For Interior and Exterior Fastening Applications The Strong-Drive® SDW structural wood screw product line includes two screws designed to provide an easy-to-install, high-strength alternative to throughbolting and traditional lag screws. The S...
SDWS Timber Screw (Interior Grade) — Allowable Withdrawal Loads — Douglas Fir–Larch, Southern Pine, Spruce-Pine-Fir and Hem-Fir Lumber The tabulated reference withdrawal design value, W, is in pounds per inch of the thread penetration into the side grain of the main member. The...