This part of GB/T 13576 specifies the combination series of diameter and pitch of serrated thread. Its tooth shape complies with the provisions of GB/T 13576.1. This section applies to general purpose mechanical transmission and fastening serrated threaded connections.
GB/T 13576.2-2008 Referenced Document
GB/T 13576.1 Buttress threads with the flank angles of 3 and 30 degrees.Part 1:Profiles