Simpson 0.220 x 3" Black, Strong-Drive SDWS TIMBER Screw Double Barrier Promotions What corrosion protection does the

What corrosion protection does the S/B3

Constructed from 1"-thick steel for exceptional rigidity and long-term durability

What safety features are included on this disc grinder

Number of Metric Threads: 23

Simpson 0.220 x 3" Black, Strong-Drive SDWS TIMBER Screw Double Barrier Promotions What corrosion protection does theThe Simpson Strong Drive SDWS Timber Screw in 0. 220" x 3" with Double Barrier Coating is a high strength structural fastener engineered as a direct, code compliant alternative to traditional lag screws and through bolts in wood framing and heavy timber connections. Featuring a SawTooth point, bold thread design, and a T40 6 lobe drive system, this black coated timber screw delivers fast, reliable installation in a wide range of wood to wood fastening