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In 2018, the Toyota Tundra comes with either P255/70R18 tires or larger P275/55R20 tires, depending on the configuration. The tires are mounted on 8Jx18 ET60 or 8Jx20 ET60 wheels, with a bolt pattern of 5x150 and a 110.1mm center bore. Each wheel has five lug nuts that should be torqued to 131 Nm. The hex head of the nuts is typically 22mm, with thread size measuring M14 X1.5. Although aftermarket units may have slightly different sizes, they usually measure around 22mm or 7/8". These are common sizes found on many lug wrenches, ensuring you have options for removing or replacing the tires.
The lug nuts on the 2018 Toyota Tundra are M14 x 1.5 in thread size and have a 22mm hex size, which is equivalent to 7/8 inch.