Simpson Strong-Tie 0.230" x 23-5/8" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 100 DGF/DGBF/DGHF Fire Wall Hangers The Simpson S/HD series of

The Simpson S/HD series of holdowns are designed for installation with either screws or bolts into the studs or column

Large Washer Head – Applies even pressure and resists pull-through

Made from stainless steel

and the Dagger-Guard finish delivers advanced corrosion protection for interior or exterior use

Do not overtighten or countersink beyond flush depth

Simpson Strong-Tie 0.230" x 23-5/8" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 100 DGF/DGBF/DGHF Fire Wall Hangers The Simpson S/HD series ofThe Simpson Strong Tie Strong Drive SDCF Timber CF Screw is engineered for strength and reliability in cross laminated timber (CLT), mass timber, and other demanding wood construction applications. Available in multiple lengths and diameters, these fully threaded structural fasteners deliver exceptional withdrawal resistance and holding power, making them the trusted choice for large scale wood assemblies. Each screw features a flat head with