Starborn 22mm Forstner Bit for Structural Lumber Pro Plug System

The Starborn Pro Plug System Structural 22mm Forstner Bit pre-drills and countersinks the screw hole counterbore for the Structural Wood and Structural Composite Pro Plug systems, cutting a precise opening sized to accept the structural screw and finishing plug. It's used together with the Smart-Bit Structural Depth Setting Collar (sold separately), which sets the correct drilling depth. Set the Depth Setting Collar by aligning its underside with the bit's second groove before drilling, then pre-drill in a straight, steady motion until the collar stops spinning. Intended for structural lumber or structural composite material 2" nominal thickness or greater. Key Features: Pre-drills and countersinks the counterbore for the Structural Pro Plug System Requires the Smart-Bit Structural Depth Setting Collar (sold separately) to set drilling depth Compatible with both Structural Wood and Structural Composite Pro Plug systems For material 2" nominal thickness or greater