Tread depth may be measured in 16ths of an inch, with 5/16 inches being a common depth for a new, all-season tire. Tires are generally unsuitable for snow and rain when their tread depth is less than 3/16 inch, due to the greater traction these conditions require. A deeper tread is needed in snow to maintain maneuverability and control.
ï· View import and export data for a specific product to. determine trends and top markets. The U.S. Census Bureauâs Foreign Trade database helps you determine your HS code and Schedule B number. After performing a search for your product, the site will prompt you to further classify the product based on its charac-.
The year 2012 marked the most recent HS revision, meaning the next revision will not be due until 2017. Since greater commodity detail are needed than the 4- and 6-digit HS headings and subheadings, Harmonized System (HS) codes under the Harmonized Tariff Schedule (HTS) and Schedule B classification systems expand their scope to 10 digits.