Simpson 0.220 x 8" Black, Strong-Drive SDWS TIMBER Screw Double Barrier HDQ Holdown Quick-Install Built with an integrated gear

Built with an integrated gear system and hardened

high-quality surface finishes

giving the installed deck a more professional

The connector can also be fastened with Strong-Drive SD Connector screws or bolts for added versatility

Ideal for milling

Simpson 0.220 x 8" Black, Strong-Drive SDWS TIMBER Screw Double Barrier HDQ Holdown Quick-Install Built with an integrated gearThe 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