Simpson Strong-Tie 0.230" x 13-3/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 CB Column Bases 5-inch lally columns and 5

5-inch lally columns and 5

The Simpson Strong-Tie HU Heavy Face-Mount Joist Hangers are engineered for robust support in various construction applications

lighter version that installs with fewer screws

Horizontal Mounting: Designed specifically for horizontal threaded rod suspension applications

these screws are engineered to perform in real-world outdoor conditions

Simpson Strong-Tie 0.230" x 13-3/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 CB Column Bases 5-inch lally columns and 5The 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