Simpson 22-1/4" Predeflected Holdown w/Screws HDU11-SDS2.5 ECC End Column Caps Floor-to-floor tension load resistance connections

Floor-to-floor tension load resistance connections

Upcut spiral bits eject chips upward for efficient chip evacuation in deep slots and pockets

Blade Diameter 120mm

The ECC44 is installed with three 5/8 in

This makes the ABA66RZ well-suited for exterior installations and applications involving pressure-treated lumber

Simpson 22-1/4" Predeflected Holdown w/Screws HDU11-SDS2.5 ECC End Column Caps Floor-to-floor tension load resistance connectionsSimpson HDU11 SDS2. 5 HDU 22 1 4 in. Galvanized Predeflected Holdown with Strong Drive SDS Screws is an engineered holdown connector from Simpson Strong Tie, designed for use in shearwalls, braced wall panels, and other lateral applications in wood construction. The HDU holdown is pre deflected during the manufacturing process, virtually eliminating deflection under load due to material stretch, delivering a stronger, safer, and more reliable