15 x 4" 316 Stainless 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)