7 mm RC wheel hex — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/rc-wheel-hex-7mm/  (sheet CC BY 4.0)
Basis: Secondary source: RC Car Action (Traxxas release) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 7, width 7
- A 7 mm wheel hex is the hexagonal drive between axle and wheel; 7 mm is the across-flats size. The file is a 7 mm across-flats hexagon profile.
- Hex thickness, drive-pin size and bore are not published as a standard and are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

dimension  value
Across flats  7 mm
Used on (published)  Traxxas TRX-4M (Bronco, K10)

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- RC Car Action (Traxxas release): TRX-4M Chevrolet K10 High Trail — web — Publisher's page; dimensions are facts — https://www.rccaraction.com/?p=370072

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/rc-wheel-hex-7mm/index.json
API: https://xemstudio.com/api/geometry?object=rc-wheel-hex-7mm