Big Timber 3-1/2 In. Flat Head Gold Interior Structural Wood Screw

Heat-treated hardened steel for high tensile strength and high shear strength

Deep six-lobe star drive recess reduces cam-out end load

Structural wood screw - backed by certified independent testing (TER 1911-01)

Under-head cutting nibs to aid in self countersinking

International building code and international residential code compliant

Type-17 tip for faster precise starts which eliminate “walking” Provides easier insertion without pre-drilling