Simpson Strong-Tie HCKWSV134S #9 x 1-3/4 In. Yellow-Zinc Coated WSV Collated Subfloor Screw

Simpson Strong-Tie HCKWSV134S #9 x 1-3/4 In. Yellow-Zinc Coated WSV Collated Subfloor Screw

Simpson Strong-Tie has designed the HCKWSV134S Strong-Drive WSV Subfloor screw to optimize installation speed and reduce the driving force required for fastening subfloor sheathing. Engineered specifically for use with the Quik Drive auto-feed screw driving system, this premium-quality screw enhances efficiency and performance in wood-frame subfloor applications. The HCKWSV134S WSV Subfloor screw stands out as the only fastener dual-evaluated under ICC-ES AC233 and AC120 for wood-frame subfloor fastening. Its 2-inch variant is highly recommended for Advantech flooring and sheathing products, ensuring superior holding power. When combined with adhesives, this screw creates an exceptional subfloor solution, helping to minimize floor movement and eliminate squeaks. Rigorous testing confirms that the WSV Subfloor screw surpasses 10d common nails in lateral, shear, and withdrawal values. Additionally, diaphragms constructed with WSV screws meet or exceed the strength and stiffness of traditional wood-frame diaphragms built with 10d nails. The screw’s specialized point and thread pattern allow for a quick start with reduced torque requirements, leading to less tool wear and more screws driven per battery charge. For fire-retardant wood-based materials, the Strong-Drive WSVF Subfloor screw variant features a gray Quik Guard coating, offering corrosion resistance recognized under IAPMO UES ER-192 for Exposures 1 and 3 as outlined in ICC-ES AC257. Designed for dry service applications, the WSVF variant provides protection for wood and wood-based materials treated to AWPA Use Categories 1 to 4A. It is also suitable for fire-retardant-treated wood recognized in evaluation reports where corrosion effects are referenced according to code-prescribed protection systems for carbon steel fasteners. The innovative deep 6-lobe recessed ribbed head design ensures clean countersinking and secure bit retention, significantly reducing cam-outs. The superior holding power of WSV screws minimizes gaps between joists and subfloors, preventing common floor squeaks while allowing for easy screw removal when future access to floor cavities is needed. Testing demonstrates that WSV screws require up to 25% less driving torque in single-material LVL applications and enable screw installations up to 20% faster due to the optimized thread pattern.