This is a F-tab patio door roller assembly with a 1-1/2 in. concave or grooved nylon ball bearing roller. When the corner screw passes through the F-tab the assembly is captured by the side stile and bottom rail as the screw draws the two sides together. The housing is 11/16 in. wide and 1-5/8 in. tall with a rear adjusting screw. Used by Doormaster, Starlite and a variety of other patio door manufacturers.
1-1/2 in. Concave (grooved) Nylon Roller
Ball Bearing
F-Tab Housing with Rear Adjust
When the corner screw passes through the F tab the assembly is captured by the side stile and bottom rail as the screw draws the two sides together
Housing is 11/16 in. wide, 1-5/8 in. tall and 1-1/4 in. long (not including the inner roller housing)
Rear adjustment screw
Used on metal framed patio doors
For further dimensional information, please see the line drawing