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What size are the lug nuts on a 2016 Lexus IS300?

The lug nuts are 21mm hex nuts that fit M12x1.5 wheel studs on a 5-lug, 114.3mm bolt pattern, with a 60-degree conical (acorn) seat. This configuration is standard for the 2016 IS300.


In detail, the 2016 Lexus IS300 uses a five-lug setup and a common Lexus wheel specification: a 5x114.3 mm bolt pattern, 12 mm diameter wheel studs with a 1.5 mm thread pitch, and lug nuts that seat with a 60-degree conical angle. The proper tool size for removal and installation is typically a 21 mm socket or lug wrench. If you’re working with aftermarket wheels or spacers, verify that their lug nut specifications match the vehicle’s studs and seat type to ensure safe mounting.


Key lug nut specs for the 2016 IS300


Below are the essential dimensions you should know when inspecting or replacing lug nuts on this model.



  • Bolt pattern: 5x114.3 mm

  • Thread size on studs: M12x1.5

  • Lug nut seat type: 60-degree conical (acorn)

  • Nut hex size: 21 mm

  • Wheel stud diameter: 12 mm


With these specifications, you can identify the correct lug nuts, select the proper socket, and ensure compatibility with the wheels installed on a 2016 IS300. Always confirm the exact requirements for your vehicle's trim and wheels, and consult the owner's manual or a dealership if there is any doubt.


Summary


For a 2016 Lexus IS300, expect a 5x114.3 bolt pattern, M12x1.5 studs, and 21 mm lug nuts with a 60-degree conical seat. Verify wheel compatibility and torque guidelines in the owner’s manual or with a qualified technician when performing maintenance or wheel changes.

What size are the lug nuts on a Lexus IS300?


LEXUS IS300 CHROME LUG NUTS 20PCS 12X1. 5 THREAD FITS ALL MODELS.



What size are the bolts on a Lexus IS300?


14 mm x 1.5 thread size, spline lug bolt, 1.1" length.



What size socket for Lexus lug nuts?


The most common Lexus lug nut socket size is 21mm (or 13/16"), but some models may use a 19mm socket. It is best to check your owner's manual or verify the size for your specific vehicle model and year, especially if you have an aftermarket wheel or lug nuts.
 

  • Common size: 21mm (13/16") for many Lexus models, including the RX and UX. 
  • Other size: 19mm for some Lexus models, such as the IS250. 
  • Thread size: Lexus factory lug nuts typically have a thread size of M12x1.5mm. 
  • Verification: Always double-check your vehicle's specific model and year, as sizes can vary, especially with aftermarket parts. 



What size are the lug nuts on a 2016 Lexus is?


12mm x 1.50
Notes: Nut. 12mm x 1.50 Thread Size, 13/16" Hex, 1.5" Length.


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Kevin Bennett

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Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.