What size are the lug nuts on a 2009 Lexus IS250?
They use five-lug M12x1.5 lug nuts on a 5x114.3 mm bolt pattern with a 60-degree conical seating.
In more detail, the 2009 Lexus IS250 follows the common Toyota/Lexus pattern of a five-lug wheel on a 114.3 mm bolt circle. The lug studs are M12 with a 1.5 mm thread pitch. The wheel fasteners use a 60-degree conical (acorn) seating, and the usual external socket size is 19 mm, though some wheels or aftermarket setups can differ. Always verify the exact hardware on your vehicle or wheel set before purchasing replacements.
Key specifications for the IS250 lug nuts
The following details cover the essential aspects you should know when identifying or replacing lug nuts on a 2009 Lexus IS250.
- Bolt pattern: 5 x 114.3 mm (5-lug wheel configuration)
- Thread size and pitch: M12 x 1.5
- Seat type: 60-degree conical (acorn) seating
- Common socket size: typically 19 mm (external hex), though verify on your specific wheels
When replacing lug nuts, ensure the seat type and thread pitch match your wheels, and use the correct torque specification as directed by the vehicle or wheel manufacturer. If you use aftermarket wheels, confirm compatibility with theIS250’s lug hardware to avoid improper seating or damage.
Summary
For a 2009 Lexus IS250, expect a 5-lug pattern on 114.3 mm, with M12x1.5 lug nuts that have a 60-degree conical seat. The usual external hex size is 19 mm, but always check the specific nuts on your vehicle or wheels to ensure a proper fit.
