Home / Standards / GB/T 3632-1995 GB/T 3632-1995 High-strength bolts with large hexagon head in steel structures 钢结构用扭剪型高强度螺栓连接副 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A