主营:不锈钢抽芯铆钉+扶手栏杆及配件+玻璃广告钉+不锈钢自攻螺钉+不锈钢盖型螺母+不锈钢防盗螺丝
规格 M4M5M6M8M10M12M14M16M18M20螺母(达)30324076140215340440 整体盖帽2016070110185320550 304