Simpson 0.220 x 6" Black, Strong-Drive SDWS TIMBER Screw Double Barrier ECC End Column Caps Projects requiring NDS-compliant bolt spacing

Projects requiring NDS-compliant bolt spacing at connection points

making it qualified for static and seismic loading conditions in seismic design categories A through F

and clip - are made from Type 316 Stainless Steel to ensure uniform performance and resistance to corrosion throughout the entire assembly

The two-stage flute features a variable helix pattern that actively moves debris and dust away from the contact zone as drilling progresses

Constructed entirely of Type 316 stainless steel - including the anchor body

Simpson 0.220 x 6" Black, Strong-Drive SDWS TIMBER Screw Double Barrier ECC End Column Caps Projects requiring NDS-compliant bolt spacingThe Simpson Strong Drive SDWS Timber Screw is a high strength, heavy duty structural fastener engineered to deliver a fast, code compliant alternative to traditional lag screws and through bolting in wood framing and timber construction. Built with a 0. 220 inch shank diameter, a 6 inch length, and a double barrier coating that provides corrosion resistance equivalent to hot dip galvanization, this screw is purpose built for demanding wood to wood