Simpson Strong-Tie 0.230" x 13-3/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 CB Column Bases lighter version that installs with

lighter version that installs with fewer screws

ensuring maximum stability and support

Inverted upper threads clear material away for flush seating

5-inch lally columns and 5

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 lighter version that installs withThe 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