Home / Standards / GB/T 3105-2002 GB/T 3105-2002 Active General purpose bolts and screws--Radii under the head 普通螺栓和螺钉 头下圆角半径 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 N/A