SPAX PowerLags Exterior Structure Screw - Washer Head, Wood, Easy Installation - 50 Ct., 1/4 In. x 3-1/2 In.

SPAX PowerLags Screws are engineered for demanding wood-to-wood structural applications, making them an ideal choice for construction projects that require strength and reliability. These 1/4 in. x 3-1/2 in. lag screws feature a washer head with T-Star Drive and a high corrosion resistant (HCR) exterior coating, ensuring superior performance as an exterior screw or outdoor screw with washer. The patented thread serrations eliminate the need for pre-drilling, dramatically increasing installation speed and requiring up to 40% less driving torque. Each screw is stamped with its length on the head for easy identification and efficient on-site inspections. The HCR coating provides excellent corrosion resistance, especially when installed in treated lumber or coastal environments. With easy installation and a screw-in design, these lag screws are building code listed and load rated (ICC-ES ESR-1782), offering peace of mind for structural wood applications. This pack includes 50 multicolor plastic screws, making it convenient for both professionals and DIYers seeking reliable structure screw solutions for exterior projects. Manufactured by PrimeSource, SPAX PowerLags Screws deliver fastening efficiency and durability for your next construction job.