Home / Standards / GBT 15054.2-2018 GBT 15054.2-2018 Small Threads — Part 2: Tolerances and Limit Dimensions 小螺纹 第2部分:公差和极限尺寸 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A