Citroen C5 wheel bolt & nut sizes
The Citroen C5 (2001–2008) uses M12x1.25 wheel fixings with a 60° taper or flat seat and a 17mm hex. It has 4 per wheel, so a full set is 16. Check the table below for the exact fixing for your year and wheel type.
Last updated 2 October 2026
Thread
M12x1.25
Seat
60° taper / flat
Hex size
17mm hex
Strength
Class 10.9
Sizes by year and wheel type
| Image | Model code | Wheel type | Thread | Length | Seat | Hex size | Finish | Strength |
|---|---|---|---|---|---|---|---|---|
| 2001–2004 4 per wheel | ||||||||
| D | Steel Wheels | M12x1.25 | 26mm | 60° taper | 17mm hex | Delta KL100 | Class 10.9 |
| 2004–2008 4 per wheel | ||||||||
| R | Alloy Wheels | M12x1.25 | 33mm | Flat | 17mm hex | Delta KL100 | Class 10.9 |
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 Citroen C5
Lost or damaged your locking wheel key? Find a replacement for your Citroen.
Common questions
What size are Citroen C5 wheel bolts?
Citroen C5 wheel fixings are M12x1.25 with a 60° taper or flat seat and a 17mm hex.
Do steel and alloy wheels use the same bolts on a Citroen C5?
No. Steel and alloy wheels use different fixings on the Citroen C5. The table above shows which one fits each wheel type.
How many wheel bolts does a Citroen C5 need?
4 per wheel, so 16 for a full set of four wheels.