This standard specifies the basic parameters and technical requirements of toothed chains and sprockets. This standard applies to external contact toothed chains and sprockets.
GB/T 10855-2016 Referenced Document
GB/T 1801 Gemetrical Product Specifications(GPS).Limits and fits.Selection of tolerance zones and fits
GB/T 10855-2016 history
2016GB/T 10855-2016 Inverted tooth (silent) chains and sprockets
2003GB/T 10855-2003 Inverted tooth(silent)chains and sprockets