Simpson Strong-Tie 0.230" x 6-1/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 CNW-HSCNW Coupler Nuts HVAC ducts

HVAC ducts

making them ideal for high-pressure and high-temperature environments

G90 Galvanized Coating: Provides protection against moisture and corrosion in standard construction environments

Versatile Applications: Suitable for splicing

Hot-dip galvanized (HDG) coating for exterior and treated-wood applications

Simpson Strong-Tie 0.230" x 6-1/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 CNW-HSCNW Coupler Nuts HVAC ductsThe 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