Our reversible assembly Carbide Tipped bit is designed to cut window sash and glass door parts, including rails, stiles, mullions, and muntin bars (Muntin is a strip of wood or metal separating and holding panes of glass in a window).

May be used on wood between 1-1/8" and 1-3/4" thick. Assembly includes an ogee profile cutter, a rabbet cutter, one bearing, a 1/2" shank arbor, spacers, shims, and washers. Configure as shown in the drawing to cut profile and rabbet on all parts. To rout the copes, switch bearing and profile cutter and replace rabbet cutter with spacers.