Home / Standards / GB/T 5276-2015 GB/T 5276-2015 Active Fasteners—Bolts, screws, studs and nuts—Symbols and descriptions of dimensions 紧固件 螺栓、螺钉、螺柱及螺母 尺寸代号和标注 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2015-12-10 Implementation 2017-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A