Home / Standards / GBT 5796.1-2022 GBT 5796.1-2022 Trapezoidal screw threads — Part 1: Profile 梯形螺纹 第1部分:牙型 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