Home / Standards / GBT 6183.2-2016 GBT 6183.2-2016 Prevailing torque type hexagon nuts with flange (with non-metallic insert) — Fine pitch thread 2型非金属嵌件六角法兰面锁紧螺母 细牙 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