15 x 2-1/2" 316 Stainless T-30 Lag Screw (25/Bucket)

316 Grade Stainless Steel for Superior Interior/Exterior Corrosion Resistance. Marine Grade Stainless Steel with high tensile, torque, and shear strength

• Deep Six-Lobe Star Drive Recess reduces cam-out end load. 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. Provides for easy insertion without pre-drilling. Aggressive Thread for great withdrawal strength