These connectors might be the only thing available to connect a flat board rail cap to the aluminum railing but the screws that come with are too short and after separately buying the right length screws and installing, there is still give (a little rocking) with the rail cap. Additional fix will be needed.
Deck Board Railing Connector by Deckorators
Use to attach deck boards to the top of railing. Compatible with CXT Pro Contemporary, CXT Classic, ALX Pro and ALX Classic. Clip mounts under top rail and screws to deck board to create a handrail. Easily attach a deck board to your railing top with the new deck board railing connector. With it a single length of decking can be mounted atop your rail, providing an attractive, convenient surface stable enough to display decor or rest a drink.
- 6 - Brackets
- 36 - #8 x 34 stainless steel screws
- Attaches deck boards or hardwood handrail to numerous top railing systems.