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Eliminates the need and cost of a separate washer. Tested strength for tough connections. Allow for quicker, easier fastening. T-STAR WASHER HEAD HCR POWERLAG T-STAR WASHER HEAD YELLOW ZINC POWERLAG HEX HEAD HCR POWERLAG HEX HEAD ZINC POWERLAG Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.8 out of 5 stars 567 4.6 out of 5 stars 104 4.7 out of 5 stars 121 5.0 out of 5 stars 7 Price $125.60$125.60 $109.99$109.99 $129.99$129.99 — no data Usage Exterior Interior Exterior Interior Coating HCR Yellow Zinc HCR Zinc Drive System T-Star T-Star External Hex External Hex Available Diameters 1/4", 5/16", 3/8" 1/4", 5/16", 3/8" 1/4", 5/16", 3/8", 1/2" 1/4", 5/16", 3/8", 1/2" Available Lengths 2-1/2" - 10" 2-1/2" - 10" 1-1/2" - 12" 2" - 10" Material Usage Wood-to-wood Wood-to-wood Wood-to-wood Wood-to-wood Features Low-profile, large diameter head design provides outstanding clamping force and improved aesthetics without requiring a "special" driver bit Low-profile, large diameter head design provides outstanding clamping force and improved aesthetics without requiring a "special" driver bit Provides maximum driver engagement, especially when using larger diameter/longer length parts in harder wood species. Provides maximum driver engagement, especially when using larger diameter/longer length parts in harder wood species.
Check out our Threads Our patented thread serration technology allows the corrosion-resistant screw to be driven faster, easier to install, and reduces splitting in wood. Let the SPAX FACTOR take some of the hassle out of your next project
Heat Treated Grade 5 Durability Stay Stronger for Longer! Subjecting the PowerLag screw to heat treating gives greater strength and reduces breakage. The washer head screw is tested under the toughest scenarios to give you confidence in every connection
Lag Screw Options! And more Options! Offers the largest selection of code recognized structural wood to wood engineered fasteners in the industry
T-Star Screw ICC-ES building code recognized for use in structural wood to wood applications. ICC-ES Report ESR-1782. Manufactured to Imperial size standards with industry leading pull-through and withdrawal values
T-Star drive accepts and is compatible with all industry standard bits. Our 6-Lobe design provides superior bit engagement. Better bit engagement means quicker installation with less effort
