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Minimum tread depth for all 4 tires is 2/32"
If you mean tire tread depth, the minimum is 1.6mm.
In the United States, the tread has to be 4/32 (3.17mm) or more on the front tires and 2/32 (1.58mm) or more on the back tires. rear tires can be retreaded but not the front "steer" tires.
On or before your country's legal minimum requirement for tread. If in doubt see out a qualified fitter to check the tread depth for you
The minimum tyre tread depth in the UK is 1.6mm.
Tire spec in PA is 2/32 of an inch of minimum tread
Minimum LEGAL tire tread depth is 2/32nds of an inch.
Tire spec in PA is 2/32 of an inch of minimum tread
1.6 mm is the minimum
If you take a Lincoln penny and run it upside down, so that the top of Abraham Lincoln's head is toward the center of the tire in the gap of the tread, the tread should be past the top of honest Abe's head. The minimum legal tread depth under Kansas law is 1/16" KS 8-1742.
Turn a United States penny upside in the tread. If you can see all of President Lincoln's head, your tire is bald.
It's 1.6 millimetres