Simpson Strong-Tie 0.230" x 10-1/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 250 Galvanized Large Diameter Concrete Screws Follow all spacing and fastener

Follow all spacing and fastener pattern guidelines to maintain structural strength and compliance with building codes

Its heavy-gauge steel construction and versatile configuration make it a dependable solution for reinforcing beam-to-post

Simpson Strong-Tie HRS Heavy Strap Ties are designed to provide high-capacity reinforcement for wood framing connections where increased strength and load transfer are required

Built for performance

engineered lumber

Simpson Strong-Tie 0.230" x 10-1/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 250 Galvanized Large Diameter Concrete Screws Follow all spacing and fastenerThe 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