Home / Standards / GB/T 6187.2-2016 GB/T 6187.2-2016 Active Prevailing torque type all-metal hexagon nuts with flange, style 2—Fine pitch thread 2型全金属六角法兰面锁紧螺母 细牙 Standard Type GBT ICS 21.060.20 CCS J13 Status 现行 Issue Date 2016-02-24 Implementation 2016-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会