Opel Astra wheel bolt & nut sizes
The Opel Astra (1991–2011) uses M12x1.5 wheel fixings with a 60° taper seat and a 17mm hex or 19mm hex. Check the table below for the exact fixing for your year and wheel type.
Last updated 2 October 2026
Thread
M12x1.5
Seat
60° taper
Hex size
17mm hex / 19mm hex
Strength
Class 10.9 / Class 10
Sizes by year and wheel type
| Image | Model code | Wheel type | Thread | Length | Seat | Hex size | Finish | Strength |
|---|---|---|---|---|---|---|---|---|
| 1991–2010 (4–100/5–110) 4 or 5 per wheel: 4-stud or 5-stud depending on version (see model name) | ||||||||
| F, G, H | Steel & Alloy Wheels | M12x1.5 | 22mm | 60° taper | 17mm hex | Zinc | Class 10.9 |
| 2009–2011 (5–105/5–115) 5 per wheel | ||||||||
| J (P-J) | Steel & Alloy Wheels | M12x1.5 | – | 60° taper | 19mm hex | Zinc | 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 Opel Astra
Lost or damaged your locking wheel key? Find a replacement for your Opel.
Common questions
What size are Opel Astra wheel bolts?
Opel Astra wheel fixings are M12x1.5 with a 60° taper seat and a 17mm hex or 19mm hex.