Citroen C4 Picasso wheel bolt & nut sizes
The Citroen C4 Picasso (2006 on) uses M12x1.25 wheel fixings with a 60° taper or flat seat and a 17mm 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
Sizes by year and wheel type
| Image | Model code | Wheel type | Thread | Length | Seat | Hex size | Finish | Strength |
|---|---|---|---|---|---|---|---|---|
| 2006 on 5 per wheel | ||||||||
| U | Steel Wheels | M12x1.25 | 26mm | 60° taper | 17mm hex | Delta KL100 | Class 10.9 |
| U | 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 C4 Picasso
Lost or damaged your locking wheel key? Find a replacement for your Citroen.
Common questions
What size are Citroen C4 Picasso wheel bolts?
Citroen C4 Picasso 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 C4 Picasso?
No. Steel and alloy wheels use different fixings on the Citroen C4 Picasso. The table above shows which one fits each wheel type.
How many wheel bolts does a Citroen C4 Picasso need?
5 per wheel, so 20 for a full set of four wheels.