Home / Standards / GB/T 3103.1-2002 GB/T 3103.1-2002 Active Tolerances for fasteners--Bolts，screws，studs and nuts 紧固件公差 螺栓、螺钉、螺柱和螺母 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2002-12-05 Implementation 2003-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会