SPAX 1/4″ x 3-1/2″ Exterior Washer Head Structural Wood Lag Screws Powerlags Torx T-Star (50 EA) Bit Included Heavy Duty Rust Resistant

Spa Power Lags Screws have a washer head with T-Star Drive and HCR-X (High Corrosion Resistant) exterior coating. Provides a new level of fastening efficiency and reliability to construction. Engineered specifically for demanding wood-to-wood structural applications, Power Lags feature patented thread serrations that elimite pre-drilling and dramatically increase installation speed – requiring up to 40% less driving torque to increase installation speed. Fastener length stamp on the head provides convenient identification without measuring and aids on-site inspections. HCR-X Coating offers superior X-terroir corrosion resistance when installed in treated lumber and is tested in coastal construction environments. All Spa Power Lags are building code listed and load rated, ICC-ES ESR-1782.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 3.5 x 0.25 x 3.5 inches; 1 Pounds
Item model number ‏ : ‎ 4581820000000
Date First Available ‏ : ‎ November 25, 2015
Manufacturer ‏ : ‎ Altenloh, Brink & Co
ASIN ‏ : ‎ B018JQFDJE
Country of Origin ‏ : ‎ USA

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