Simpson 0.220 x 8" Black, Strong-Drive SDWS TIMBER Screw Double Barrier Paper Tape Framing Nails Dual-evaluated under ICC-ES AC233 and

Dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening and finished with a yellow zinc coating applied in accordance with ASTM F1941

making it suitable for larger structural columns used in pergolas

The HU312 is made from 14-gauge steel and features a Zinc Galvanized (G90) coating

repeatable results for drilling and boring operations

Simpson 0.220 x 8" Black, Strong-Drive SDWS TIMBER Screw Double Barrier Paper Tape Framing Nails Dual-evaluated under ICC-ES AC233 andThe Simpson Strong Drive SDWS Timber Screw in 0. 220" x 8" with a double barrier black coating is a high strength structural fastener engineered as a direct, code listed alternative to through bolting and traditional lag screws in wood framing and timber construction. Designed for both professional contractors and do it yourself builders, this heavy duty timber screw delivers reliable holding power in wood to wood fastening applications without the