SPAX 5/16" x 4-1/2" Exterior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty Rust Resistant

Product description

• T-Star Screw: The trend setting low profile built-on washer head design offers a contemporary & sleek finished installation. Excellent draw down strength without the need for a separate washer delivers superior clamping ability and 40% less driving torque
• Heat Treated Grade 5 Durability: Stay Stronger for Longer! Subjecting the PowerLag screw to heat treating gives greater strength and reduces breakage. Tested under the toughest scenarios to give you confidence in every connection.
• Check out our Threads: Our patented thread technology allows the washer head screw to be driven faster; is easier to install; and reduces splitting in wood. Let SPAX take some of the hassle out of your next project. The item includes a bit in the pail.
• ICC-ES building code recognized for use in structural wood to wood applications. ICC-ES Report ESR-1783. Manufactured to imperial size standards leading pull-through and withdrawal values. Recommended for use in treated lumber and exterior applications
• T-star Screw: T-Star drive accepts and is compatible with all industry standard bits. Our 6-Lobe design corrosion resistant screw provides superior bit engagement. Better bit engagement means quicker installation with less effort.