If you mean tire tread depth, the minimum is 1.6mm.
Tire spec in PA is 2/32 of an inch of minimum tread
2/32"
2/32 of an inch
4/32 nds of an inch
Tire spec in PA is 2/32 of an inch of minimum tread
IC 9-19-18 - Indiana does not have a legal tire depth law... Most states list 2/32 as the limit.
In Virginia you must have 2/32 tread depth on all 4 tires to pass inspection.
The minimum tyre tread depth in the UK is 1.6mm.
Minimum LEGAL tire tread depth is 2/32nds of an inch.
It depends on the legislation of the country in question
2/32 inch