2 mm（最大值） 安装孔直径：8mm ### 4 mm Hirschmann技术参数 --- 触点材料 | 镀镍黄铜 额定电压 | 60Vdc（除非另有说明） 额定电流 | 16A（除非另有说明）
The is a 4mm green Receptacle Socket, 32A/30VAC/60VDC rated, tin-plated brass tin-plated b with M6 thread and solder unsprung connection. These BIL socket used for installation in equipment chassis and switch panels with a wall thickness up to 2mm, provide quick and uncomplicated connections.