Tire tread depth

What is tire tread measurement? How do you measure tire depth? Tyre tread depth has to be above 1. This must be the case for the middle three quarters of the tyre. Tread Depth by the Numbers. Type of vehicle: Minimum tread depth : Cars Goods vehicles (500kg) Trailers and caravans (500kg) At least 1.

In the United States, tread depth is measured in 32nds of an inch. Because it is difficult to accurately measure tread depth with a ruler, tread depth is best measured with a tire tread depth gauge.

To ensure your safety, measure the tread depth as part of your regular vehicle maintenance. As you drive, the tread will wear down. A tire with a tread depth below 1. If your tread depth wears to those levels, your tires are considered bald and a safety hazard. Putting a 20p coin into the grooves of a tyre is a simple way to test whether the tread depth is above the legal limit.

The outer rim of a 20p coin is just under 3mm wide, so as long as the rim is hidden when inserted then the tyre is above the legal tread limit. A tyre with a tread depth below 1.

Braking distance and vehicle control are impaired. These tires are not safe for driving and must be replaced. The legal minimum tread depth for cars in the UK is 1. In wet weather tyre tread grooves help to remove water from the contact patch between your tyres and the road surface meaning your car can brake, steer and accelerate properly.

For summer tires, the remaining tread depth must be no less than mm, and for winter and all-season tires it must be no less than mm. Smaller tread depth may become critical on wet pavement, slush or snow.

Another easy way to measure the depth of the tread. You can use the quick and simple 20p test. Insert a 20p coin into the lowest tread depth of your tyres. If you can’t see the outer rim around the edge of the coin, then your tyre is safe and has a minimum of 3mm tread depth.

Regularly checking your tire tread depth can help you determine when it is time to replace your tires. Below are three common ways to check your tread depth. One easy way is the penny test. There are several popular ways to check your tire tread depth.

Tire makers in the US express the depth of their tire treads in 32nds of an inch. Free Shipping Available. Money Back Guarantee! If the tread measurement is between 1.

Research shows that it can take a car with 1. Find out more about how to check your tyre tread. If we compare a brand new tyre with mm tread with a worn out tyre having a 1. That is why all manufacturers consider tyres with mm tread as worn out. While UK tyre law states that a wheel should have a minimum tread depth of 1. This is confirmed by RoSPA’s study, which found stopping distances increase by 44. Interpreting tire tread depth as it relates to traction and safety.

Tire tread depth is critical to driving safety in a variety of road conditions. The Accutire MS-48B is known to be the best digital tire tread depth gauge on the market due to its capability to maintain excellent tire condition. The color light bar blinks and indicates the tire needs to be replaced or changed.

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