- Cast aluminum Nut with 3/8" thread at center.
- Used with 1" pipe railing fittings
- #18 nut
Cast aluminum nut with 3/8" thread at center. Used with 1" pipe railing fittings. #18 nut.
Please note: 1" pipe is the internal diameter measurement of the pipe. This railing fitting supports 1" pipe (or pipe up to 1-1/4" outside diameter).