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Simpson Strong-Tie CNW Oversized (OST) Coupler Nuts with a zinc-plated finish deliver strength
The special thread design eliminates mushrooming in composite boards
Optimized Load Distribution: Provides full bearing support
Their proven load transfer performance makes them a trusted choice for builders
The screw-hole layout fits various flange sizes allowing increased header hanger versatility when evenly distributing loads along fasteners
Simpson Strong-Tie 0.230" x 13-3/4" Strong-Drive SDCF Timber-CF Screw - Yellow Zinc | Qty. 50 DGT/DGHT Top-Flange Fire Wall Hangers Simpson Strong-Tie CNW Oversized (OST)The 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
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