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Do you know THE PENNY TEST of tire tread depth ?Date:2016-05-23

THE PENNY TEST

In the United States, tire tread depth is measured in 32nds of an inch. New tires typically come with 10/32” or 11/32” tread depths, and some truck, SUV and winter tires may have deeper tread depths than other models. The U.S. Department of Transportation recommends replacing tires when they reach 2/32”, and many states legally require tires to be replaced at this depth.

The idea of the penny test is to check whether you’ve hit the 2/32” threshold. Here’s how it works:

  1. Place a penny between the tread ribs on your tire. A “rib” refers to the raised portion of tread that spans the circumference of your tire. Tire tread is composed of several ribs.
  2. Turn the penny so that Lincoln’s head points down into the tread.
  3. See if the top of his head disappears between the ribs. If it does, your tread is still above 2/32” , If you can see his entire head, it may be time to replace the tire because your tread is no longer deep enough.

The penny test

When performing the penny tire test, remember not only to check each tire, but to check various places around each tire. Pay special attention to areas that look the most worn. Even if parts of your tread are deeper than 2/32”, you should still replace the tire when any areas fail the penny test.

Consistent wear around the whole tire is normal, but uneven tread wear could be a sign of improper inflation, wheel misalignment, or a variety of other things. If you see uneven tread wear, you should have a technician inspect your vehicle.

Dongying Eternal Tyre Co,ltd. established in 1995, mainly produce all steel radial tires. At present, the annual capacity is 3 million pieces. Sequentially, our products were certified by DOT of the U.S., ECE of EU, INMETRO of Brazil, Gulf GCC, the test of noise and wet land, as well as state mandatory 3C. Besides, we have passed Quality Management System Certification of ISO 16949, Environment Management System Certification of ISO 14001, and Occupation Health and Safety Management System Certification of OHSAS 18001. The above certifications have brought about favorable basis for the sound development of the company. Since establishment of the Group, we have been insisting on the idea of producing mid-range and high-end products to build our brand, imposing strict requirements for artwork on our products, strict management, and strict control. State-of-the-art technical team is in charge of R&D of our products, working with extra care on each product, which has therefore gained us good market and customer recognition. Most of our products are sold to over 50 countries and areas, such as Europe, America, Middle East, and Australia, and are well received among our customers.
Our company is also regarded as national creditable enterprise, the most powerful 500 national informatization company, China petroleum and chemical industry “top 100” export enterprise, the provincial rubber industry “top 50” enterprise, province-level high-tech enterprise, Provincial Banking Best Credit Faithful Customers, key customer of CCB&ICBC ,core customer of international trade financing , the world “top 40” tire trade in 2010
Our company depending on the quality of life for business, “operating principles as a guide to” build a first-class quality, and create a high-end brand, product quality into the ranks of the advanced level.