Home / Standards / GB/T 3098.23 GB/T 3098.23 Active Mechanical properties of fasteners—M42～M72 bolts, screws and studs 紧固件机械性能 M42～M72螺栓、螺钉和螺柱 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会