Pre-Drilled Chair Base Mounting Plate with Slotted Holes, Seat Mechanism Plate, Stamped Metal Mounting Bracket, Reinforced

This furniture hardware piece is a black metal chair mounting plate designed as a single support component for attaching a chair base or seat mechanism. The chair base mounting plate provides a practical connection point, helping secure the chair structure with multiple pre-drilled holes for installation. As a seat mechanism plate, it features oval slot holes around the edges and smaller round holes nearby the center hub for flexible mounting alignment. This metal mounting bracket is stamped from slightly curved metal with a reinforced rib running across the plate for added structural support. Built for base and seat linkage, the plate helps create a stable attachment point where chair components meet and fasten jointly.