Home / Standards / GB 3103.2-82 GB 3103.2-82 Tolerances for fasteners — Bolts, screws and nuts for precision mechanics 紧固件公差 用于精密机械的螺栓、螺钉和螺母 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A