15 x 5″ Bronze T-30 Lag Screw (25/Bucket)

Heat-treated hardened steel for high tensile strength and high shear strength
Under-head cutting nibs to aid in self countersinking. Aggressive knurl enlarges hole to reduce splitting and drag to help draw lumber together.V-Cut notches on threads to cut fibers for easier insertion at lower torque

Type 17 tip for faster precise starts which eliminate walking
and provides easier insertion without pre-drilling.Aggressive Thread for great withdrawal strength

Structural Lag Screw backed by certified independent testing
(TER 1907-01) (Acceptable alternative to galvanized lag screws).