With more than 50 years of experience in product design, testing and manufacturing, Simpson Strong-Tie provides comprehensive structural solutions for cold-formed steel construction. From steel-to-steel connections to full-scale lateral solutions and curtain wall connectors, we remain committed to developing new technology that helps to advance the cold-formed steel industry. The S/HDU series of holdowns combines performance with ease of installation. The pre-deflected geometry virtually eliminates material stretch, resulting in low deflection under load. Installation using self-drilling tapping screws into the studs reduces installation time and saves labor cost. S/HDU 7-7/8 in. Light-Gauge Steel Holdown (Pack of 10).