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One-Sided Installation – Fastens multi-ply members without flipping or lifting heavy assemblies
Retrofit Installation: Designed for installation into existing cured concrete using anchoring adhesive
these screws are ideal for interior
Available in corrosion-resistant finishes for exterior deck applications
Engineered Cutting Threads: Designed for low torque during install and strong grip in hardened concrete
Simpson Strong-Tie 0.230" x 7" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 Strong-Tie Drop In Anchors One-Sided Installation – Fastens multi-plyThe 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