Ford S-Max wheel bolt & nut sizes
The Ford S-Max (2006 on) uses M14x1.5 wheel fixings with a 60° taper seat and a 21mm hex. It has 5 per wheel, so a full set is 20. Check the table below for the exact fixing for your year and wheel type.
Last updated 2 October 2026
Thread
M14x1.5
Seat
60° taper
Hex size
21mm hex
Strength
Class 8 / Class 10
Sizes by year and wheel type
| Image | Model code | Wheel type | Thread | Length | Seat | Hex size | Finish | Strength |
|---|---|---|---|---|---|---|---|---|
| 2006–2011 5 per wheel | ||||||||
| WA6 | Steel Wheels | M14x1.5 | – | 60° taper | 21mm hex | Zinc | Class 8 |
| WA6 | Alloy Wheels | M14x1.5 | – | 60° taper | 21mm hex | Zinc + SS | Class 10 |
| 2011 on 5 per wheel | ||||||||
| (WA6 NEW) | Alloy Wheels | M14x1.5 | – | 60° taper | 21mm hex | Zinc Nickel + SS | Class 10 |
A dash in the length column means no length is listed for that fixing. Not sure which wheels you have? Steel wheels usually have a plastic trim cover over them.
Locking wheel keys for the Ford S-Max
Lost or damaged your locking wheel key? Find a replacement for your Ford.
Common questions
What size are Ford S-Max wheel bolts?
Ford S-Max wheel fixings are M14x1.5 with a 60° taper seat and a 21mm hex.
Do steel and alloy wheels use the same bolts on a Ford S-Max?
The thread, seat and hex size are the same. The finish differs: Zinc for steel wheels, Zinc + SS / Zinc Nickel + SS for alloys.
How many wheel bolts does a Ford S-Max need?
5 per wheel, so 20 for a full set of four wheels.