Volvo C70 wheel bolt & nut sizes
The Volvo C70 (1997 on) uses M12x1.75 or M12x1.5 wheel fixings with a 60° taper seat and a 19mm hex, depending on year and wheel type. 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 |
|---|---|---|---|---|---|---|---|---|
| 1997–2005 5 per wheel | ||||||||
| N | Steel & Alloy Wheels | M12x1.75 | 28mm | 60° taper | 19mm hex | Zinc | Class 10.9 |
| 2006 on 5 per wheel | ||||||||
| M | Steel Wheels | M12x1.5 | – | 60° taper | 19mm hex | Delta KL100 | Class 10 |
| M | Alloy Wheels | M12x1.5 | – | 60° taper | 19mm hex | Zinc + 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 Volvo C70
Lost or damaged your locking wheel key? Find a replacement for your Volvo.
Common questions
What size are Volvo C70 wheel bolts?
Volvo C70 wheel fixings are M12x1.75 or M12x1.5 with a 60° taper seat and a 19mm hex, depending on year and wheel type.
Do steel and alloy wheels use the same bolts on a Volvo C70?
The thread, seat and hex size are the same. The finish differs: Delta KL100 for steel wheels, Zinc + SS for alloys.
How many wheel bolts does a Volvo C70 need?
5 per wheel, so 20 for a full set of four wheels.