Attwood closed-end flush-mount rod holder (2 in x 9 in, 66470/66471) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/attwood-closed-end-flush-mount-rod-holder/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Attwood (Brunswick) catalog)
Catalog version: 2026-10-20

Overall (mm): length 50.8, width 50.8, height 228.6
- The closed-end Attwood holder is 2 in diameter and 9 in long with a polished end that takes a 1/4-18 NPT drain fitting.
- The catalog prints the thread as '14-18 NPT', read here as 1/4-18 NPT, the standard drain size.
- Flange and cutout dimensions are not published.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

dimension  value
Tube diameter (nominal)  50.8 mm (2 in)
Tube length  228.6 mm (9 in)
Angles  30 deg (66470), 0 deg (66471)
Base  Closed, drain opening for 1/4-18 NPT fitting
Flange  Round; size not published
Cutout hole size  not published

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Attwood (Brunswick) catalog: Attwood catalog - rod holders page — web — Publisher's page; dimensions are facts — https://docs.navico.com/view/436738815/119/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/attwood-closed-end-flush-mount-rod-holder/index.json
API: https://xemstudio.com/api/geometry?object=attwood-closed-end-flush-mount-rod-holder